jasim, Tarek Abbas. “ The Impact of Oil Contracts on the government’s Financial System (product Sharing Agreements in Iraq) for the Period (2004-2019)”. Al-Ghary Journal of Economic and Administrative Sciences 20, no. 3 (September 30, 2024): 484–512. Accessed September 4, 2026. https://journal.uokufa.edu.iq/index.php/ghjec/article/view/16569.