Ibrahim, A. F., L. Haji Abdullah, and M. I. Rosele. “قدسية شروط الواقف في ضوء النصوص والمقاصد: The Sanctity of the Waqif Conditions in Light of the Sharia Texts and Objectives”. Online Journal of Research in Islamic Studies, vol. 7, no. 3, Dec. 2020, pp. 75-86, http://ijie.um.edu.my/index.php/RIS/article/view/27899.