Sama Bassem Mohammed, Amal Abdulhussain Kuhait, Abbas Fadhil Ali,. “Use of Activity Based Costing and Value Chain Approaches at Iraqi Public Universities to Improve Educational Service”. International Journal of Advanced Science and Technology 29, no. 3 (January 27, 2020): 158 - 170. Accessed July 27, 2024. http://sersc.org/journals/index.php/IJAST/article/view/3808.