Muhlis, T.A. et al. 2026. Optimization of Geopolymer Mortar Performance Using Locally Sourced Precursors: An Experimental and Statistical Approach. RESWARA: Jurnal Riset Ilmu Teknik. 4, 4 (Sep. 2026), 1224–1237. DOI:https://doi.org/10.70716/reswara.v4i4.808.