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Open Access Article
1 - Stability Analysis of a Fractional Order Model of HIV virus and AIDS Infection in the Community
M. S. Shahrokhi Dehkordi Y. AhmadiIn this paper a non-linear model with fractional order is presented for analyzing and controlling the spread of HIV virus. Both the disease-free equilibrium and the endemic equilibrium are found and their stability is discussed. The basic reproduction number , which is MoreIn this paper a non-linear model with fractional order is presented for analyzing and controlling the spread of HIV virus. Both the disease-free equilibrium and the endemic equilibrium are found and their stability is discussed. The basic reproduction number , which is a function of the constant parameters in the model, plays an essential role in the stability of the above model. In more precise expression, When the disease-free equilibrium is attractor, but when , is unstable and the endemic equilibrium exists and it is an attractor. Finally numerical simulations are also established to investigate the influence of the parameters in the model on the spread of the disease. Manuscript profile -
Open Access Article
2 - Evaluation of Consumers' Welfare Costs Due to Rise of Energy Carriers Prices (A Case Study of Iran)
قدرتاله اماموردی رضا هفتلنگ مهدی فراهانیIn this research, in order to survey and assess the effects of increasing energy carriers on consumers' welfare costs in Iran, measurement indexes of welfare costs(EV,CV) and AIDS demand function has been used.Applied data including energy carriers' price (Gasoline, Ker MoreIn this research, in order to survey and assess the effects of increasing energy carriers on consumers' welfare costs in Iran, measurement indexes of welfare costs(EV,CV) and AIDS demand function has been used.Applied data including energy carriers' price (Gasoline, Kerosene, Gas Oil, Furnace Fuel Oil, and Liquefied Gas); consumption share and quantity are for the period from 1974 to 2008.Model results indicate that increasing in prices or realizing prices in according to government suggested price scenario results decreasing 16.5 % in utility level and in order to compensating consumers' income and achieving their initial utility level, sum of RLS 510,000 should be paid annually. Manuscript profile -
Open Access Article
3 - HIV/AIDS Related Stigma in Iran: A Qualitative Study
Alireza Mohseni Tabrizi Peyman Hekmatpour -
Open Access Article
4 - Improving Technical Terms of Cost Accounting Students’ Learning Using Crossword Puzzle Game
Shokrolah Khajavi Sara ZiyariThe main goal of this research is to determine how successful the non-traditional teaching tools are in seducing accounting student interest and enhancing their learning, consequently. Undergraduate students of management in 2018 first semester are considered as cases, MoreThe main goal of this research is to determine how successful the non-traditional teaching tools are in seducing accounting student interest and enhancing their learning, consequently. Undergraduate students of management in 2018 first semester are considered as cases, to study crossword puzzle game effect on better understanding of terms and concepts of Cost Accounting course. The game was designated and implemented in 6 forms of topical crossword puzzles and a more complicated puzzle based on subjects presented in cost accounting literature. Finally, by controlling the student participation rate in the game, the effect of the game scores on their exam performance was examined. The results indicated that there was a significant positive relationship between the students' average score of puzzles and their course grades, but there was no significant relationship between the student’s attendance in the game and their final grades. Moreover, the results of considering the participants' viewpoint on the crossword puzzle game effectiveness in enhancing their motivation and learning, a 5-point Likert scale survey was utilized showed that the students found the puzzle game as a fun, challenging and effective tool in technical concepts learning. The results also suggest more innovative means and techniques of teaching accounting courses be taken into consideration. Manuscript profile -
Open Access Article
5 - Synthesis of Ibuprofen with Modified and Economical Process as an NSAID Drug
Abbas Ahmadi Marzie Daniali Sara Kazemi Samira Azami Noshin Alizade -
Open Access Article
6 - The Rate of Awareness and Attitudes of IAU Studentâs of Toyserkan on AIDS and Influential Factors on It
Zahra Ghodsi Saied Goodarzi Nasrin MesgariAbstract AIDS, oneof the most dangerous contagious diseases, has currently affected many people unfortunately, %90 of them are from developing countries. Considering the outbreak of AIDS mostly in the young and the declaration of the public assembly of the UN, fo MoreAbstract AIDS, oneof the most dangerous contagious diseases, has currently affected many people unfortunately, %90 of them are from developing countries. Considering the outbreak of AIDS mostly in the young and the declaration of the public assembly of the UN, for achieving a %25 decrease in its outbreak by 2010 , this study aims at investigating the student's degree of awareness and attitude in Toyserkan Azad University on AIDS and influential factors on it. The students were selected thorough rank sampling and were studied by field-finding method. The means of data collection was questionnaire consisting of closed-answer questions. The distribution and data were described and the data analysis was conducted using T-test, Regression-Analysis, and one-way Variance-Analysis. The results show the positive relationship between awareness and the type of attitude, meaningful relationship between gender, field of study, semester and the degree of awareness, and the meaningful relationship between field of study and the attitude toward AIDS. Based on the findings of the present study, it is recommended that they enrich instruction on the AIDS in the universities and inform the students aiming at changing the type of attitude and plan and perform programs that improve the hygiene related to AIDS, and especially present its outbreak. Manuscript profile -
Open Access Article
7 - The Evaluation of (substantiation, Impelement, usefulness) HIV/AIDS Prevention Education Curriculum for the Secondary School Health Educators in the Islamic Republic of Iran
hamideh kholghifard Rahmatollah Marzooghi Mehdi Mohammadi mohamad ali davarpanahThe purpose of this study was to design a curriculum on HIV / AIDS prevention education for the secondary school health educators in the Iran. Taxonomy model of exploratory sequential mixed method was used for this study in which qualitative and quantitative stages done MoreThe purpose of this study was to design a curriculum on HIV / AIDS prevention education for the secondary school health educators in the Iran. Taxonomy model of exploratory sequential mixed method was used for this study in which qualitative and quantitative stages done by case study method and descriptive-survey method respectively. Potential participants in qualititative section were 10 health professionals from Universities of Medical Sciences; and those in quanitative section were health education professionals in all medical sciences universities.In the qualitative section, a sampling approach and focus groups and a saturation criterion were used and in the quantitative section, 30 experts were selected and studied using focuse groups and criterion technique. In order to validate the results, reliability through data matching used in the qualitative and data analysis method used in the quantitative section. The analysis methods in the qualitative and quantitative sections were thematic analysis using the N-vivo 8.8 software and inferential statistics respectively. The results of the qualitative section of the study were 3 organizer contents in the form of the goals, content, and educational materials; and 44 basic themes and comprehensive them of HIV / AIDS prevention curriculum for secondary school health educators. The results showed that the HIV / AIDS prevention education curriculum is valid but three elements of goals(mean 1.66 and 1.74), content(mean 2.12 and 2.17), and teaching-learning methods(mean 2.12 and 2.79) were lower than the mean (3). Have been evaluated and therefore have little Impelement and usefulness. Manuscript profile -
Open Access Article
8 - The relationship between economy and pohicy in to Jhataids Olos
hashem sedgh amizAccording to political economy we can divide the history of joghataid Olos in two periods: The first period began with the begining of the reign of joghataid’s family and continued till the Dova’s reign. In theis period the economy of Jogh MoreAccording to political economy we can divide the history of joghataid Olos in two periods: The first period began with the begining of the reign of joghataid’s family and continued till the Dova’s reign. In theis period the economy of Joghataid that was relayed on shephered economy found it’s economic excistance in founding new pastures through occupying the regions of Iran; khorasan, mazandaran and the north of India to support the weak economy of Joghataid. The sconde period began from the ending of Dova’s reign and obtaind the highest point in kebek and tormashiry in this period the vulers of joyhataid Olos put away the policy of attack to Iran and India and Instead of it they decided to splendour the economy of Joghataid Olos by creating peace and safety of the trade ways by trade development with India. Manuscript profile -
Open Access Article
9 - Analyzing the Impact of Using Multimedia Visual Aids on Iranian EFL Learners’ Oral skill
Fatemeh Mohammadi Sadegh Mahla Rafsanjani FeizabadUsing multimedia audio-visual aids stimulates thinking and improves learning environment in a classroom and they can be a helpful tool in the language classroom (Mannan, 2005). The present study made an effort to investigate the effect of using multimedia visual aids on MoreUsing multimedia audio-visual aids stimulates thinking and improves learning environment in a classroom and they can be a helpful tool in the language classroom (Mannan, 2005). The present study made an effort to investigate the effect of using multimedia visual aids on the learners’ oral (speaking) skill. This study is an experimental research and two groups of learners in a language institute were chosen to participate in the experiment. The participants of the study were made up of 68 advanced EFL learners in a language institute in Mashhad. To homogenize the study subjects to select an appropriate sample, a placement test was administered, and 60 students were selected. Then, they were randomly classified into two groups, i.e., control and experimental groups (30 Ss in each group). The participants of the experimental group were exposed to the multimedia visual aids in their classes, while the EFL students of the control group were instructed through the conventional teaching method and using ordinary material. The results indicated that the use of multi-media visual aids could positively impact the Iranian EFL learner's' speaking ability. Findings of this study have numerous implications for language teachers, practitioners and administrators. Manuscript profile -
Open Access Article
10 - Comparative Effect of Visual and Auditory Teaching Techniques on Retention of Word Stress patterns: A Case Study of English as a Foreign Language Curriculum in Iran
Maryam Homapour Zohre Mohamadi -
Open Access Article
11 - A Novel Approach to Determine Dosage in Treatment of AIDS Based on Direct Self Tuning Regulator (STR) Theory and Linearization Around Equilibrium Condition
Mohammad Fiuzy Sayed Kamaledin Mousavi Mashhadi -
Open Access Article
12 - Evaluation of public awareness of AIDS in Germi (Moghan) and its relation with socioeconomic factors
Noureddin Hosseinpoor Samad Sabbagh This study was a cross-sectional study to determine the level of awareness of people in Germi (Mugan) about AIDS. In this study, using Cochran formula a sample size of 378 subjects was selected by stratified sampling method. Data were gathered by a q More This study was a cross-sectional study to determine the level of awareness of people in Germi (Mugan) about AIDS. In this study, using Cochran formula a sample size of 378 subjects was selected by stratified sampling method. Data were gathered by a questionnaire and were analyzed using SPSS version 20 based on statistical methods in accordance with the hypotheses, including the Pearson correlation coefficient, t-test and F-test and multiple regression. Research findings suggest that there is a direct relationship between social capital, age, and the awareness of AIDS. There is an inverse and significant relationship between religiosity and awareness of HIV and finally there is direct and significant relationship between sex, marital status and economic status of people with AIDS awareness. The results showed that 25.9% of awareness of AIDS is in high level, 61.9% moderate, and 12.2% is in low level. The highest level of awareness is about the transmission of AIDS with 56.6% and lowest about the signs and symptoms of AIDS with 7.1%. Manuscript profile -
Open Access Article
13 - Punishment Falls Arising from the Transmission of HIV
reza ehsanpour mohammad mohseni mansoureh hassaniHIV prevalence in recent years, on the one hand, and the lack of specific law for criminal negligence and punishment for those who spread HIV on the other hand, have caused to attract the attention to use penal institutions in this regard. Some titles like: transmission MoreHIV prevalence in recent years, on the one hand, and the lack of specific law for criminal negligence and punishment for those who spread HIV on the other hand, have caused to attract the attention to use penal institutions in this regard. Some titles like: transmission of sexually transmitted diseases, willful murder, quasi-intentional homicide, attempted murder, premeditated assault and battery as well as restoring to arms (in order to frighten people) are applicable in Iran, however, threats to public health seems not to be appropriate in this respect. The death of offender or victim of an offence for reasons rather than AIDS and acquittal of offender before death penalty calling by victim offended person, lead to punishment fall and retaliation in Islamic Penal System of Iran. The knowledge of victim of an offence of being HIV transmitter or infective, even his/ her primitive satisfaction, brings no legitimacy for offender of the act committed. It also can not be considered as legal reasons for criminal act leading to criminal pardons. Manuscript profile -
Open Access Article
14 - Studying the Demand Schedule and Consumption Behavior of the Urban Households of the Country
Mohammad Ali Motafaker azad Habib Agajani Kazem Amjadi In this paper, the consumption behavior of the Urbanal households of the country in Iran has been studied over 1358-1380 through “Almost Ideal Demand System” model. The articles studied in five main groups include “ More In this paper, the consumption behavior of the Urbanal households of the country in Iran has been studied over 1358-1380 through “Almost Ideal Demand System” model. The articles studied in five main groups include “foods, drinks and tobacco products”, “clothing and shoes”, “residence, fuel and electricity”, and “other goods and services”. To study the consumption behavior of city households, Almost Ideal Demand System (AIDS) has been used. The estimation of the mentioned system has been performed by SUR method. After estimating this model for various article groups of the country urban households, the related, intersecting and income price elasticity has been calculated. The results obtained from hypotheses test show that the homogeneous hypotheses denoting the lack of users’ monetary suspicion, impressibility of household consumption basket by the relative changes of prices, the necessity of article group of " food, drink and tobacco products " and " furniture ", the concordance of price related coefficients with the demand theory has been verified and the conjunction hypothesis (on the intersection effect of prices) is rejected. Manuscript profile -
Open Access Article
15 - Knowledge and Behavior towards HIV/AIDS among Young Street Prostitutes in Tehran
Payam Roshanfekr Saeed Madani Ghahfarokhi -
Open Access Article
16 - Comparing the Performance of Linear and Non-Linear Models to Explain Almost Ideal Demand System
Mohammad Rezaei pour Mehdi Zolfaghari mojtaba yousefi dindarloo Abolfazl NajarzadehIn most of empirical studies based on almost ideal demand system (Aids), the elasticity of the price and income estimated by these equations resulted to some sensitive policy making recommendations in microeconomics and macroeconomics. It is in such a case that there is MoreIn most of empirical studies based on almost ideal demand system (Aids), the elasticity of the price and income estimated by these equations resulted to some sensitive policy making recommendations in microeconomics and macroeconomics. It is in such a case that there is some doubt about reliability of linear estimation of such models. In this study, the performance of linear and non-linear almost ideal demand system is under the investigation. For this purpose, seemingly unrelated regression (SURE) method will be applied to estimate linear model and multilayered feed forward neural network (MFNN) is used to estimate a non-linear one. The results indicate that multilayered feed forward neural network is associated with less error than the linear model, and consequently, leads to a better estimation of almost ideal demand system. This result creates some hesitate on application of Stone price index for linear zing estimation of almost ideal demand system. Therefore, it is suggested that feed forward neural network will be applied to estimate almost ideal demand systems. Manuscript profile -
Open Access Article
17 - Design and Simulation of Ultra-Low-Power Sigma-Delta Converter Using the Fully Differential Inverter-Based Amplifier for Digital Hearing Aids Application
Shima Alizadeh Zanjani Abumoslem Jannesari Pooya TorkzadehIn this paper, an ultra-low-power, second-order, discrete-time sigma-delta converter is proposed for hearing aids application. In portable biomedical devices such as hearing aids that permanently use, the battery lifetime and power dissipation are very considerable. In MoreIn this paper, an ultra-low-power, second-order, discrete-time sigma-delta converter is proposed for hearing aids application. In portable biomedical devices such as hearing aids that permanently use, the battery lifetime and power dissipation are very considerable. In a typical delta-sigma modulator, the OTAs are the most power-consuming parts. The OTAs elimination in the converters is now challenging. Therefore the converter with a self-biased fully differential inverter-based amplifier was designed with only 1.15 µw static power dissipation at a 1-volt power supply. The inverter-based amplifier was used instead of the OTAs in two stages of the modulator. The modulator’s structure is CIFB, single-loop, and single bit. The proposed differential modulator was designed and simulated using a standard 180 nm CMOS technology, which obtained SFDR and SNDR of 95.2878 dB and 64.004 dB, respectively. The sampling frequency is considered 2.56 MHz, and the input signal bandwidth is 10kHz. The modulator consumes power just about 5.1091 µW, and the FOMW achieves 0.197 pj/step. Manuscript profile -
Open Access Article
18 - In silico Analysis of Inhibitory Potential of Major non-Steroidal Anti-inflammatory Drugs against Las-quorum Sensing Circuit in Pseudomonas aeruginosa
Hossein Zahmatkesh Behnam RastiThe emergence of drug resistance, therapeutic failure, and the development of Pseudomonas aeruginosa infections are primarily attributed to biofilm formation and quorum sensing (QS) dependent virulence factors. The antimicrobial potential of some non-steroidal anti-infl MoreThe emergence of drug resistance, therapeutic failure, and the development of Pseudomonas aeruginosa infections are primarily attributed to biofilm formation and quorum sensing (QS) dependent virulence factors. The antimicrobial potential of some non-steroidal anti-inflammatory drugs (NSAIDs), such as ibuprofen, has been determined in laboratory studies. Herein, a docking analysis was conducted to examine the interaction between seven NSAIDs and the proteins of the Las system. Initially, the three-dimensional structure of selected NSAIDs (Diclofenac sodium, Ibuprofen, Ketoprofen, Mefenamic acid, Meloxicam, Naproxen, and Tenoxicam), and natural ligand of LasR (3-oxo-C12-HSL) were retrieved from PubChem database. Also, crystal structures of LasI Synthase and transcriptional activator protein LasR were obtained from Protein Data Bank. Subsequently, the molecular docking analysis utilizing AutoDock Vina software was employed to investigate the capability of the selected NSAIDs to inhibit the LasI/LasR receptor. Based on our findings, the majority of the selected NSAIDs exhibited favorable interactions with LasI/R proteins. Moreover, ketoprofen exhibited the strongest interactions with both proteins. In summary, this work suggested that NSAIDs, especially ketoprofen and naproxen, have promising potential as candidates for further in vitro and in vivo investigations to inhibit the QS circuits of P. aeruginosa. Manuscript profile -
Open Access Article
19 - The Effective Factors on not Using Teaching Aids in the Process of Teaching and Learning from Teachers’ Point of View in Mazandaran Province
Sadraddin Sattari AbdolReza JafarnejadThe purpose of this research was to study the teachers’ point of view on the effective factors on not using teaching aids in the process of teaching and learning in high schools in Mazandaran province. The method of the study was descriptive-survey and the populat MoreThe purpose of this research was to study the teachers’ point of view on the effective factors on not using teaching aids in the process of teaching and learning in high schools in Mazandaran province. The method of the study was descriptive-survey and the population was all teachers at high schools with more than two years service life. Out of the whole statistical population, 360 were selected randomly as sample, based on the Morgan table. The data collection was done through a researcher made questionnaire. In analysis of the collected data, the descriptive and inferential statistics were used. Results showed that several factors were effective on not using of teaching aids in the process of teaching and learning, including: negative attitude of teachers toward teaching aids, shortage and non availability of such aids, the crowding of students in each class, not mastery of teachers in using teaching aids, and inefficiency in way of school management. Manuscript profile -
Open Access Article
20 - An epidemic model for the transmission dynamics of HIV/AIDS with different clinical stages
Sandip Omar -
Open Access Article
21 - AIDS Epidemic Modeling With Different Demographic Structures
Agraj Tripathi Ram Naresh -
Open Access Article
22 - Food Price Change and its Welfare Impact on Iranian Households
Mohammad Ghahremanzadeh Mohammad Bagher ZiaeiIran has experienced high food prices in recent years. This paper examines the welfare impacts of rising major food groups' prices on Iranian urban households using Quadratic Almost Ideal Demand System (QUAIDS) approach. The elasticity coefficients derived from QUAIDS a MoreIran has experienced high food prices in recent years. This paper examines the welfare impacts of rising major food groups' prices on Iranian urban households using Quadratic Almost Ideal Demand System (QUAIDS) approach. The elasticity coefficients derived from QUAIDS are used to estimate Compensated Variations (CV).The study uses Iranian Household Expenditure and Income Survey (HEIS) raw data, encompassing both low and high price periods. Prices of all food and agricultural products increased during the entire survey period of 2004 to 2012. Based on our estimates, the food groups of cereals, dairy products, vegetable and pulses, Potables and Spices are necessary goods, as their budget elasticity is positive and below one at the same time. Meat, edible oils, fruits and dried fruits and Sugary products are luxury goods, with income elasticity above one. We find that the remarkable increases in food prices resulted in severe erosion of purchasing power for the Iranian urban households and they need to be compensated on average about 48% of their initial income for the food price changes they faced during the 2004 and 2012. In addition the high share of cereals in year 2012 implies that urban households shift their consumption to cheaper calorie source. This figure is confirmed with the decline in the share of meat, dairy Products, fruits and dried fruits, vegetables and pulses and potables expenditure. Manuscript profile -
Open Access Article
23 - Estimation of the almost ideal demand system of Iran's electrical energy in the industrial sector
zeinab Mosavari nezam abad Sayyed AbdolMajid Jalaee EsfandabadiAbstractThe power industry as one of the fundamental industries plays an important role in economic development and welfare of society. With respect to the importance of electrical energy in application of modern technology and environmental issues, this paper aimed at MoreAbstractThe power industry as one of the fundamental industries plays an important role in economic development and welfare of society. With respect to the importance of electrical energy in application of modern technology and environmental issues, this paper aimed at estimating the almost ideal demand of electrical energy of Iran in industrial section. To do so, the data were gathered during a period of time 1350 to 1390 and regression model SUR was employed to identify price, income, an cross elasticity concerning demand of electrical energy in industrial section. The results demonstrated that electrical energy is taken into account as an essential commodity in industrial section. On the other hand, other energies cannot substitute the electrical energy in industry. Interestingly, due to the low elasticity of electrical energy, the policy of price increasing cannot be a good solution for reduction of electrical energy. Therefore, policies in the electric energy sector must first be non-price and income-based, and secondly, they must be done with special care, so as not to cause structural changes in the consumption of this strategic commodity. Based on the obtained results, it is suggested that the energy policy in the industry should first be non-price and have an income, and secondly, it should be done carefully, which will cause a structural change in the consumption of this strategic commodity. Manuscript profile -
Open Access Article
24 - The Effect of Using Visual Aids, Semantic Elaboration, and Visual Aids plus Semantic Elaboration on Iranian Learners' Vocabulary Learning
Saeideh Ahangari Maryam Amini Touran Ahour -
Open Access Article
25 - LAMP detection of Cryptococcus neoformans in AIDS patients
Mohammad Hassan Shahhosseiny Alireza Rezaei Amirabadi Jalil Vand Yousefi Mohammad Ghahri Kayhan Azadmanesh Elham MoslemiBackground and Objective: Cryptococcus neoformans is opportunistic capsulated yeast that infects immunocompromised individuals. Infection occurs due to inhalation of the agent and common infection form is meningitis. Several methods are common to detect this life threth MoreBackground and Objective: Cryptococcus neoformans is opportunistic capsulated yeast that infects immunocompromised individuals. Infection occurs due to inhalation of the agent and common infection form is meningitis. Several methods are common to detect this life threthening agent but none of them have well accepted in sensitivity, specificity and rapidness. In this research the effort has been on installation and optimizing the LAMP assay in order to detect the agent itself and its distribution importance of Cryptococcus neoformans in serum specimens of AIDS patients. Material and methods: Atotal number of 34 serum specimens were collected from 34 AIDS patients. After applying sensitivity and specificity tests for the installed technique, optimization of the assay was performed on the specimens. The specimens got inactivated and after steps of DNA extraction, 6 designated primers for the target gene (ura5) were applyed for detection of Cryptococcus neoformans by using the LAMP method. Results: In this study 3 specimens of the total number of 34 AIDS patients were reported positive by using LAMP technique. This it reveals the importance of Cryptococcal infection in AIDS patients. Conclution: Loop-mediated isothermal amplification is an applicable, sensitive, quick and lucrative method for detection of Cryptococcus neoformans. Diagnostic laboratory can use this method without requiring any special instruments. Manuscript profile -
Open Access Article
26 - Food Security in order to improve reception of capita animal protein to achieve forth development plane
Mohammad Bakhshoodeh Fatemeh FathiThis study researched changing consumer price and expenditure to get animal protein and calorie in order to achieve goal of forth development plane for urban Iranian households. Quadratic almost ideal demand system (QAIDS) during of 19982-2007 was used. Also own, cross MoreThis study researched changing consumer price and expenditure to get animal protein and calorie in order to achieve goal of forth development plane for urban Iranian households. Quadratic almost ideal demand system (QAIDS) during of 19982-2007 was used. Also own, cross price and expenditure elasticity was estimated. According of this result price and expenditure protein and calorie elasticity was estimated. The result showed that changing of poultry meat price had maximum impact. Calorie elasticity of poultry meat was larger than protein group. A Expenditure elasticity of protein and calorie were positive and equal .86 and .87 in protein groups so this group was a normal good. Manuscript profile -
Open Access Article
27 - ارزیابی هزینه رفاهی ناشی از اثرات افزایش قیمت حاملهای انرژی بر هزینههای رفاهی مصرف کننده در ایران
محمد شریف کریمی قدرت اله امام وردی -
Open Access Article
28 - ارزیابی هزینه رفاهی ناشی از اثرات افزایش نرخ ارز و قیمت حاملهای انرژی بر هزینههای رفاهی مصرف کننده در ایران
محمد شریف کریمی قدرت اله امام وردی مجتبی کریمی -
Open Access Article
29 - ON THE STABILITY AND THRESHOLD ANALYSIS OF AN EPIDEMIC MODEL
Muhammad Abdullahi Yau
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