Samsudin, M.H., Kwan, W.H., Mohamad Jamil, P.A.S. and Abdul Aziz, N. 2023. 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, 2 (Sep. 2023), 1–4. DOI:https://doi.org/10.33093/jetap.2023.5.2.1.