Saaid A elrhman E, Rosly, Mansor H. Ibrahim SA, Abdullah N. THE X-EFFICIENCY OF THE SUDANESE ISLAMIC BANKS. IJEMA [Internet]. 2013 Feb. 28 [cited 2024 May 6];11(2). Available from: https://journals.iium.edu.my/enmjournal/index.php/enmj/article/view/90