A. Harmaji, A. S. Haimir, and B. Sunendar, “Impact of Reduced Activator Concentration and Curing Method on Compressive Strength of Metakaolin/Fly Ash-based Geopolymer Mortar”, j.ris.technol.pencegah., vol. 14, no. 1, pp. 19–28, May 2023.