List of Articles Priority-based Open Access Article Abstract Page Full-Text 1 - Solving the Fixed Charge Transportation Problem by New Heuristic Approach Komeil Yousefi Ahmad J. Afshari Mostafa Hajiaghaei-Keshteli 10.22094/joie.2017.738.1469 20.1001.1.22519904.2019.12.1.5.2 Open Access Article Abstract Page Full-Text 2 - Design of a Mathematical Model for Logistic Network in a Multi-Stage Multi-Product Supply Chain Network and Developing a Metaheuristic Algorithm Esmaeil Mehdizadeh Fariborz Afrabandpei 20.1001.1.22519904.2012.5.10.5.1