List of Articles Transportation problem Open Access Article Abstract Page Full-Text 1 - Lagrangian Relaxation Method for the Step fixed-charge Transportation Problem A. Mahmoodirad S. Niroomand M. Sanei A. Sajedinejad Open Access Article Abstract Page Full-Text 2 - On approximation of the fully fuzzy fixed charge transportation problem A. Mahmoodirad H. Hassasi‎ G. Tohidi M. Sanei Open Access Article Abstract Page Full-Text 3 - Fuzzy Compromise Approach for Solving Interval-Valued Fractional Multi-Objective Multi-Product Solid Transportation Problems Hamiden Khalifa Open Access Article Abstract Page Full-Text 4 - Solving the Fixed Charge Transportation Problem by New Heuristic Approach Komeil Yousefi Ahmad J. Afshari Mostafa Hajiaghaei-Keshteli 10.22094/joie.2017.738.1469 Open Access Article Abstract Page Full-Text 5 - A New Weighted Goal Programming Technique to Solve Fully Triangular Intuitionistic Fuzzy Multi-Objective Fixed Charge Solid Transportation Problem Awdhesh Bind Deepika Rani Kapil Goyal 10.30495/fomj.2023.1991385.1103 Open Access Article Abstract Page Full-Text 6 - An Approximation Method for Fuzzy Fixed-Charge Transportation Problem Ali Mahmoodirad Masoud Sanei Open Access Article Abstract Page Full-Text 7 - SOLVING A STEP FIXED CHARGE TRANSPORTATION PROBLEM BY A SPANNING TREE-BASED MEMETIC ALGORITHM Saber Molla-Alizadeh-Zavardehi Masoud Sanei Reza Soltani Ali Mahmoodirad Open Access Article Abstract Page Full-Text 8 - AN ELECTROMAGNETISM-LIKE ALGORITHM FOR FIXED CHARGE SOLID TRANSPORTATION PROBLEM Masoud Sanei Ali Mahmoodirad Saber Molla-Alizadeh-Zavardehi