Maisarah Nur Noraini (2025) “Effect of Hydrophobic Silica-Based Admixture on the Physical Performance and Durability of Waterproof Geopolymer Composite”, International Journal of Integrated Engineering, 17(7), pp. 209–219. Available at: https://publisher.uthm.edu.my/ojs/index.php/ijie/article/view/22659 (Accessed: 15 April 2026).