A. U. Abubakar and K. S. Baharudin, “Potential Use of Malaysian Thermal Power Plants Coal Bottom Ash in Construction”, ijscet, vol. 3, no. 2, pp. 25–37, Nov. 2012, Accessed: May 01, 2024. [Online]. Available: https://publisher.uthm.edu.my/ojs/index.php/IJSCET/article/view/429