Lies Anggi Puspita Dewi, Agus Purnomo, and Tomas G. Belano. “The Role of Cash Waqf in Financing Renewable Energy Projects for Sustainable Islamic Economic Development”. Green Economics: International Journal of Islamic and Economic Education 1, no. 1 (January 30, 2024): 01–10. Accessed March 3, 2026. https://economics.ifrel.org/index.php/GreenEconomics/article/view/408.