فهرس المقالات hani seidgar المقاله 1 - Scheduling of a flexible flow shop with multiprocessor task by a hybrid approach based on genetic and imperialist competitive algorithms 20.1001.1.22519904.2013.6.13.1.0 Javad Rezaeian Hany Seidgar Morteza Kiani Journal of Optimization in Industrial Engineering , العدد 13 , السنة 6 , پاییز 2013