فهرس المقالات Amir Saman Kheirkhah المقاله 1 - Designing Stochastic Cell Formation Problem Using Queuing Theory 20.1001.1.22519904.2015.8.18.2.5 Parviz fattahi Bahman Esmailnezhad Amir Saman Kheirkhah Journal of Optimization in Industrial Engineering , العدد 18 , السنة 8 , پاییز 2015