فهرس المقالات Ali Hasani المقاله 1 - Minimizing the operational costs in a flexible flow shop scheduling problem with unrelated parallel machines 20.1001.1.22519904.2021.14.1.14.5 10.22094/joie.2021.1890852.1718 Ali Hassani Seyed Mohamad Hasan Hosseini Foroogh Behroozi Journal of Optimization in Industrial Engineering , العدد 30 , السنة 14 , بهار 2021