List of Articles Open Access Article Abstract Page Full-Text 1 - An Ant-Colony Optimization Clustering Model for Cellular Automata Routing in Wireless Sensor Networks Aref Safari https://doi.org/10.82521/IJO.2020.1018790 20.1001.1.25885723.2020.12.2.1.9 Open Access Article Abstract Page Full-Text 2 - Control Chart Recognition Patterns using Fuzzy Rule-Based System Alireza Alinezhad Ali Taherinezhad https://doi.org/10.82521/IJO.2020.1018795 20.1001.1.25885723.2020.12.2.2.0 Open Access Article Abstract Page Full-Text 3 - Meshless RBF Method for Linear and Nonlinear Sobolev Equations Mehran Nemati Mahmoud Shafiee Hamideh Ebrahimi https://doi.org/10.82521/IJO.2020.1018794 20.1001.1.25885723.2020.12.2.3.1 Open Access Article Abstract Page Full-Text 4 - Efficiency Evaluation of Railway Freight Stations by Using DEA Approach Davoud Haghighi Reza Babazadeh https://doi.org/10.82521/IJO.2020.1018812 20.1001.1.25885723.2020.12.2.4.2 Open Access Article Abstract Page Full-Text 5 - Trust optimization in the single web services using a neuro-fuzzy system Baharak Shakeri Aski Abolfazl Toroghi Haghighat Mehran Mohsenzadeh https://doi.org/10.82521/IJO.2020.1018811 20.1001.1.25885723.2020.12.2.5.3 Open Access Article Abstract Page Full-Text 6 - A New Eight-Order Iteretive Method for Solving Nonlinear Equations with High Efficiency index Waziri Mohammed Yusuf Kabir Saminu https://doi.org/10.82521/IJO.2020.1018758 20.1001.1.25885723.2020.12.2.6.4 Open Access Article Abstract Page Full-Text 7 - Earthwork Volume Optimization Using Imperialistic Competitive Algorithm to Minimize Energy Consumption of Agricultural Land Leveling Isham Alzoubi https://doi.org/10.82521/IJO.2020.1018817 20.1001.1.25885723.2020.12.2.7.5 Open Access Article Abstract Page Full-Text 8 - Solution of optimal control problems using shifted chebyshev polynomial Hajar Alimorad https://doi.org/10.82521/IJO.2020.1018804 20.1001.1.25885723.2020.12.2.8.6 Open Access Article Abstract Page Full-Text 9 - Efficiency Evaluation in Presence of Undesirable and Negative Factors Mahnaz Maghbouli Mahdi Eini Farhad Taher https://doi.org/10.82521/IJO.2020.1018813 20.1001.1.25885723.2020.12.2.9.7 Open Access Article Abstract Page Full-Text 10 - Stability Theorem and Results for Quadrupled Fixed Point of Contractive Type Single Valued Operators Samuel Aniki Kamilu Rauf https://doi.org/10.82521/IJO.2020.1018781 20.1001.1.25885723.2020.12.2.10.8 Open Access Article Abstract Page Full-Text 11 - Legendre Wavelet Method for a Class of Fourth-Order Boundary Value Problems Sarkout Abdi Aram Azizi Mahmoud Shafiee Jamshid Saeidian https://doi.org/10.82521/IJO.2020.1018856 20.1001.1.25885723.2020.12.2.11.9 Open Access Article Abstract Page Full-Text 12 - Lump solutions of Biharmonic equation Azadeh Badiepour Zainab Ayati Hamideh Ebrahimi https://doi.org/10.82521/IJO.2020.1018857 20.1001.1.25885723.2020.12.2.12.0