muhammad zarul adham azmi and hasnida harun, “The Effects of Water to Cement Ratio on Polyurethane Concrete Towards SDG Goals”, peat, vol. 7, no. 1, pp. 27–36, May 2026, Accessed: Jul. 23, 2026. [Online]. Available: https://publisher.uthm.edu.my/periodicals/index.php/peat/article/view/23039