Amezzian, Mohammed. “Waqf in Higher Educational Institutions: Factors of Development in the Abbasid Era (334-656 AH)”. Islamic Studies 63, no. 2 (June 30, 2024): 167-200. Accessed November 25, 2024. http://irigs.iiu.edu.pk:64447/ojs/index.php/islamicstudies/article/view/3258.