C. H. Wai, O. Mohamad Hairi, and M. Mohd Eizuddin, “The Performance of Reinforcement Concrete Beam Containing Palm Oil Fuel Ash (POFA) and Expanded Polystyrene (EPS) in Term of Strain and Stress”, peat, vol. 3, no. 2, pp. 316–329, Dec. 2022, Accessed: Jul. 18, 2024. [Online]. Available: https://publisher.uthm.edu.my/periodicals/index.php/peat/article/view/6129