Amir Sultan, Mufti, Kusnadi, and Julham Adingku. “DETERMINATION OF GEOPOLYMER MORTAR CHARACTERIZATION USING FLY ASH AND PUMICE SAND”. GEOMATE Journal 23, no. 100 (December 30, 2022): 86–94. Accessed April 25, 2024. https://geomatejournal.com/geomate/article/view/3630.