Saaid, Abd elrhman Elzahi, Saiful Azhar Rosly, Mansor H. Ibrahim, and Naziruddin Abdullah. “THE X-EFFICIENCY OF THE SUDANESE ISLAMIC BANKS”. International Journal of Economics, Management and Accounting 11, no. 2 (February 28, 2013). Accessed May 6, 2024. https://journals.iium.edu.my/enmjournal/index.php/enmj/article/view/90.