Mohammed Nasar, A. J., A. O. Hasan Saleh, F. M. F. S. Alhajri, and E. A. Taoufiq. “Methods of Financing Waqf Development in Singapore”. EuroMid Journal of Business and Tech-Innovation (EJBTI), vol. 3, no. 1, Jan. 2020, pp. 25-42, https://ejbti.com/index.php/1/article/view/28.