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• Rabbani.Motahareh Modeling and Optimization of Chemical Fertilizers Supply Chain using Hybrid Whale Optimization and Simulated Annealing [ Vol.14, Issue 4 - Autumn Year 2022]
• Rauf.Kamilu Stability Theorem and Results for Quadrupled Fixed Point of Contractive Type Single Valued Operators [ Vol.12, Issue 2 - Spring Year 2020]
• Razavyan.Shabnam Ranking of Decision-Making Units with Multi-Period Two-Stage Network Structure: a Method Based on Relative Data Envelopment Analysis [ Vol.14, Issue 1 - Winter Year 2022]
• Rezai Balf.F. The interval Malmquist productivity index in DEA [ Vol.4, Issue 1 - Winter Year 2012]
• rezaii kelidbari.hamid reza Supplier selection in the sustainable supply chain: The application of analytic hierarchy process and fuzzy data envelopment analysis [ Vol.11, Issue 1 - Winter Year 2019]
• rezaii kelidbari.hamid reza A Combined group EA-PROMETHEE method for a supplier selection problem [ Vol.8, Issue 2 - Spring Year 2016]
• Rostamy.Mohsen Evaluation of Countries Environmental Efficiency Using Data Envelopment Analysis [ Vol.13, Issue 4 - Autumn Year 2021]
• Rostamy.Mohsen A new robust optimization approach to most efficient formulation in DEA [ Vol.15, Issue 2 - Spring Year 2023]
• Rouhparvar.Hamid A numerical approach for optimal control model of the convex semi-infinite programming [ Vol.7, Issue 2 - Spring Year 2015]