A.I. A. Jabbar, D. and Basheer Abdullah, M. 2007. Towards the Improvement of the Computer Network of Mosul University Using (OPNET) Software. Al-Rafidain Engineering Journal (AREJ). 15, 1 (Mar. 2007), 15–26. DOI:https://doi.org/10.33899/rengj.2007.44924.