Rusdiansyah, Yasruddin Yasruddin, Adriani Adriani, and Fauzi Rahman. “A Study on Utilization of Coal Ash for Construction Materials”. Technium: Romanian Journal of Applied Sciences and Technology 25 (October 21, 2024): 34–43. Accessed April 17, 2026. https://techniumscience.com/index.php/technium/article/view/11836.