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• Raeesi Nafchi.Samaneh Structuring the Affecting Indicators on the Sustainable Food Supply Chain Performance based on Fuzzy Cognitive Mapping and Fuzzy DEMATEL [ Vol.5, Issue 3 - Summer Year 2024]
• Ranjbar.Hassan Construction of New Implicit Milstein-Type Scheme for Solution of the Systems of SODEs [ Vol.2, Issue 3 - Summer Year 2021]
• Ranjbar.Hassan Numerical Simulation and Methodology Based on Improved Split Step Method for Studying Stochastic Models [ Vol.2, Issue 4 - Autumn Year 2021]
• Rasekhinezhad.Hajar The Interval Rational- Interpolation Method [ Vol.3, Issue 2 - Spring Year 2022]
• Rasuli.Rasul Anti Fuzzy Bi-Ideals in Semirings Under S-Norms [ Vol.3, Issue 4 - Autumn Year 2022]
• Razavyan.Shabnam Efficiency of Extended Two-Stage Systems in Presence of Triangular Fuzzy Number [ Vol.3, Issue 1 - Winter Year 2022]
• Razavyan.Shabnam Evaluating the Efficiency of Hospital Emergencies during COVID-19 Pandemic Crisis in the Presence of Undesirable Inputs in DEA [ Vol.2, Issue 3 - Summer Year 2021]
• Razi Moheb seraj.somayeh Futures Studies of Gas Industry in Iran based on Fuzzy MCDM Methods and Critical Uncertainty Approach [ Vol.4, Issue 3 - Summer Year 2023]
• Rezvani.Asieh Existence and Multiplicity Results for the p(x)- Laplacian Equation via Genus Theory [ Vol.3, Issue 1 - Winter Year 2022]
• Ri.Kwang-Chol A Compromise Solution Approach for Fuzzy Data Envelopment Analysis: A Case of the Efficiency Prediction [ Vol.5, Issue 2 - Spring Year 2024]
• Rostami.Fatemeh A Combined Fuzzy Multi-Criteria Decision Making Framework for Evaluation of Islamic Banks: A Case of MENA Region [ Vol.4, Issue 2 - Spring Year 2023]
• Rostami.Mohammad Safety Risk Assessment of Lithium-Ion Batteries Through Fuzzy Multi-Criteria Decision Making Methods [ Vol.5, Issue 3 - Summer Year 2024]
• Rostamy.Mohsen Sensitivity Analysis Algorithm to Measure Fuzzy Efficiency Security Margin of DMUs: A New FDEA approach [ Vol.4, Issue 4 - Autumn Year 2023]
• Rostamy.Mohsen Stochastic Sensitivity Analysis in Data Envelopment Analysis [ Vol.2, Issue 4 - Autumn Year 2021]
• Rostamzadeh.Hassan Extending Allocation Stages of Fixed Costs Between Decision Making Units Using DEA [ Vol.3, Issue 2 - Spring Year 2022]