فهرس المقالات saeed khalili المقاله 1 - The Optimal Number of Hospital Beds Under Uncertainty: A Costs Management Approach 20.1001.1.22519904.2018.11.2.13.5 10.22094/joie.2017.542.43 Saeed Khalili Mohammad Ghodoosi Javad Hasanpour Journal of Optimization in Industrial Engineering , العدد 24 , السنة 11 , پاییز 2018