Nursani, Mutiara Putri, and Andi Triyawan. “Productive Waqf Management of Pondok Modern Darussalam Gontor for Education”. Journal of Islamic, Social, Economics and Development 11, no. 83 (June 3, 2026): 74–84. Accessed June 3, 2026. https://academicinspired.com/jised/article/view/4123.