Mutalib, Hasyeilla Abd, and Selamah Maamor. “Utilization of Waqf Property: Analyzing an Institutional Mutawalli Challenges in Management Practices”. International Journal of Economics and Financial Issues, vol. 6, no. 7S, Nov. 2016, pp. 36-41, https://econjournals.com./index.php/ijefi/article/view/3573.