H. B. Koh, Z. . Mohd Jaini, and T. H. Tan, “Investigation on Mechanical Strengths and Carbon Foot Print of Modified Foamed Concrete”, ijscet, vol. 14, no. 2, pp. 31–40, May 2023, Accessed: Aug. 13, 2026. [Online]. Available: https://journal.uthm.edu.my/index.php/IJSCET/article/view/13460