الحياني أحمد سيف نعمان , trans. “The Role of Fatwa and Shari’a Supervisory Boards in Controlling the Transactions of Islamic Banks: A Study in Shari’a and the Yemeni Law”. Journal of Social Studies 24, no. 4 (February 27, 2019): 57–87. Accessed April 19, 2025. https://journals.ust.edu/index.php/JSS/article/view/1476.