Abdussalam, A. (2026) “Optimizing Cash Waqf Investment through Asset Diversification and Nazhir Capacity Building: A Case Study of the Muhammadiyah Cash Waqf Board in West Sumatra”, AL-IMAM: Journal on Islamic Studies, Civilization and Learning Societies, 7(2), pp. 661–672. doi:10.58764/j.im.2026.7.209.