Abubakar, A.U. and Baharudin, K.S. (2012) “Properties of Concrete using Tanjung Bin Power Plant Coal Bottom Ash and Fly Ash”, International Journal of Sustainable Construction Engineering and Technology, 3(2), pp. 56–69. Available at: https://penerbit.uthm.edu.my/ojs/index.php/IJSCET/article/view/518 (Accessed: 11 March 2026).