Iqbal, M., et al. “Optimizing Mosque-Based Cash Waqf for Real Sector Empowerment: Evidence from Medan, Indonesia”. El-Qist: Journal of Islamic Economics and Business (JIEB), vol. 15, no. 2, Nov. 2025, pp. 154-77, doi:10.15642/elqist.2025.15.2.154-177.