فهرس المقالات elahe mohagheghian المقاله 1 - Two-echelon Supply Chain Considering Multiple Retailers with Price and Promotional Effort Sensitive Non-linear Demand 20.1001.1.22519904.2018.11.2.6.8 10.22094/joie.2017.542503.1508 Elahe Mohagheghian Morteza Rasti-Barzoki Rashed Sahraeian Journal of Optimization in Industrial Engineering , العدد 24 , السنة 11 , پاییز 2018