Samsudin, Muhammad Hasnolhadi, Wai Hoe Kwan, Putri Anis Syahira Mohamad Jamil, and Nurhanim Abdul Aziz. “Optimisation on the Hybridisation Ratio of Pulverised Fuel Ash and Ground Granulated Blast Furnace Slag (PFA - GGBS) for the Fabrication of Geopolymer Mortar”. Journal of Engineering Technology and Applied Physics 5, no. 2 (September 15, 2023): 1–4. Accessed January 8, 2026. https://journals.mmupress.com/index.php/jetap/article/view/534.