List of Articles PSTR Open Access Article Abstract Page Full-Text 1 - Recognizing the Emotional State Changes in Human Utterance by a Learning Statistical Method based on Gaussian Mixture Model Reza Ashrafidoost Saeed Setayeshi Arash Sharifi Open Access Article Abstract Page Full-Text 2 - Estimation the Income Elasticity of Per Capita Health Care Expenditure in D8 Countries: PSTR and MG Approaches Ali Rezazadeh moohamad Kalamie Saber Khodaverdizadeh Mostafa Shokri Open Access Article Abstract Page Full-Text 3 - A Model for Financial Resources Allocation Pattern Using Portfolio Concept (A case study of NIOC) Mohammadreza Moghaddam Albert Boghosian Open Access Article Abstract Page Full-Text 4 - Ecological Influence of Forest Roads on Biodiversity (Case Study: Zilky Forest Management Plan in Roudbar Province) Morad Hajipour Farshad Keivan Behjou Ramin Naghdi Zeinab PourGholi Sedighe Ghanaei 10.30495/jest.2021.25618.3452 Open Access Article Abstract Page Full-Text 5 - Study of forest development on regeneration (Case Study: Sistan forestry plan, Gilan Province Rudbar city) FARSHAD Keivan Behjou Morad Hajipour Ramin Naghdi Meraj Sharari zeynab pourgholi 10.30495/jest.2020.28672.3740 Open Access Article Abstract Page Full-Text 6 - The process of Technology Selection in the Upstream Oil and Gas Industry of Iran in terms of Spillover Effect from the perspective of Economic Profit rohollah madadi-amiri Teimour Mohammadi Seyed Nasrollah Ebrahimi Hossein Raghfar Open Access Article Abstract Page Full-Text 7 - Threshold effect in the relationship between investor sentiment and stock market returns: a PSTR specification ommolbanin Dadar Ali Najafi Moghadam ali Nemati Open Access Article Abstract Page Full-Text 8 - Special competences of judicial branch managers with an emphasis on the analysis of upstream documents and the managers' point of view khadije morady Open Access Article Abstract Page Full-Text 9 - Risks Identification & Analysis in Enterprise Resource Planning (ERP) systems in upstream steel industries Fatemeh Abbasi Jalal haghighat Monfared Jamshid Edalatian Shahriary Open Access Article Abstract Page Full-Text 10 - affecting factors the evaluation of cultural activities of Islamic Azad University based on upstream documents Naser Fazelheravi Jafar Qahrmani Abolfazl Qasemzadeh Alishahi 10.30495/jss.2020.1913124.1250 Open Access Article Abstract Page Full-Text 11 - Presenting a Model for Evaluating the Cultural Activities of Islamic Azad University based on the above Documents Naser Fazel Heravi Jafar Ghahramani Abolfazl Ghasemzadeh 10.30495/jinev.2022.1971487.2793 Open Access Article Abstract Page Full-Text 12 - A Hybrid of Genetic Algorithm and Gaussian Mixture Model for Features Reduction and Detection of Vocal Fold Pathology Vahid Majidnezhad Igor Kheidorov Open Access Article Abstract Page Full-Text 13 - Presenting an Effective Model for Evaluating Administrative System Health Policies According to Upstream Documents: A Study in Ministry of Economic Affairs and Finance Mohammad Rahmani Navid Fatehi Rad Shiva Madahian Mojhgan Derakhshan 10.30495/msds.2023.1983359.1136 Open Access Article Abstract Page Full-Text 14 - The nature and legal dimensions of the assignment of upstream oil contracts with a view to the IPC contract Ahmad Panjeh pour Mohammad Hossein Zarei Open Access Article Abstract Page Full-Text 15 - The effect of financial indicators on economic growth in Islamic countries using a non-linear model hadi agababei Manijeh Hadinjad S. Khashayar Seyed Shokri 10.30495/fed.2023.707986 Open Access Article Abstract Page Full-Text 16 - Comparison Research on Buy- back and Production Sharing Contracts in Upstream projects of Oil and Gas Industry of Iran Hooshang Momeni Vesalian Hojatolla Ghanimi Fard Mohammad Mahmuodi Open Access Article Abstract Page Full-Text 17 - Risk Assessment in Enterprise Resource Planning (ERP) systems implementation in upstream steel industries Fatemeh Abbasi Jalal Haghighat Monfared Jamshid Edalatian Shahryari Open Access Article Abstract Page Full-Text 18 - Determining the effective features in classification of heart sounds using trained intelligent network and genetic algorithm mahsa semyari fardad farokhi Open Access Article Abstract Page Full-Text 19 - خمش ورق گرافن قطاعی بروی پایه الاستیک وینکلر-پسترناک به کمک تئوری الاستیسیته غیرموضعی بروش کانتروویچ توسعه یافته شهریار دستجردی مهرداد جبارزاده Open Access Article Abstract Page Full-Text 20 - Designing a citizenship training model based on upstream documents Sahar Bakhtiari najmeh vakili مهشید ایزدی Mahdy davaee Open Access Article Abstract Page Full-Text 21 - The influence of country risks on economic complexity: examining the role of open economy strategies Hussein Alaa Jaafar Samad Hekmati Farid Yousef Mohammadzadeh