الجنابي ياسر نجم, and حسن شفاء بلاسم. 2020. “Improve Operational Performance by Simulating the Holonic Manufacturing System A Case Study at the Rubber Product Plant in Al-Najaf Al-Ashraf”. Journal of Economics and Administrative Sciences 26 (121): 67-84. https://doi.org/10.33095/jeas.v26i121.1941.