THE EFFECT OF PRECURSOR-ACTIVATOR RATIO AND ACTIVATOR TYPE ON THE BULK DENSITY, COMPRESSIVE STRENGTH, AND MICROSTRUCTURE OF ABUAN PUMICE-BASED GEOPOLYMER BINDER. JITS 2024, 28 (2), 211-221. https://doi.org/10.24843/JITS.2024.v28.i02.p10.