Afifi, Abdullah A. “The 5E Waqf Sustainability Framework from the Waqf Business Model (WBM)”. Perwakilan: Journal of Good Governance, Diplomacy, Customary Institutionalization and Social Networks, vol. 4, no. 2, Aug. 2026, pp. 275-86, https://doi.org/10.58764/j.prwkl.2026.4.199.