فهرس المقالات Alireza Arshadi khamseh المقاله 1 - Complete / Incomplete Hierarchical Hub Center Single Assignment Network Problem 20.1001.1.22519904.2014.7.14.1.9 Alireza Arshadi Khamseh Mohammad Doost Mohamadi Journal of Optimization in Industrial Engineering , العدد 14 , السنة 7 , بهار 2014