N. Kamarulzaman, “Properties of Cement Brick Containing Expanded Polystyrene Beads (EPS) And Palm Oil Fuel Ash (POFA)”, jst, vol. 10, no. 4, Dec. 2018, Accessed: May 05, 2024. [Online]. Available: https://penerbit.uthm.edu.my/ojs/index.php/JST/article/view/3660