عبد الله السبئي صادق احمد. “Measure the Quality of Islamic Banking Customer Perspective, Empirical Study on Some Islamic Banks Arabia”. Journal of Economics and Administrative Sciences 23, no. 97 (June 1, 2017): 174. Accessed April 8, 2025. https://jeasiq.uobaghdad.edu.iq/index.php/JEASIQ/article/view/305.