فهرس المقالات Hamed Jafari المقاله 1 - Nurse Scheduling Problem by Considering Fuzzy Modeling Approach to Treat Uncertainty on Nurses’ Preferences for Working Shifts and Weekends off 20.1001.1.22519904.2021.14.1.6.7 10.22094/joie.2019.576759.1595 Hamed Jafari Hassan Haleh Journal of Optimization in Industrial Engineering , العدد 30 , السنة 14 , بهار 2021 المقاله 2 - A mathematical programming model for single round-robin tournament problem: A case study of Volleyball Nations League 10.22094/joie.2022.1891205.1721 Hamed Jafari Morteza Rajabzadeh Journal of Optimization in Industrial Engineering , العدد 33 , السنة 15 , پاییز 2022