Syahyadi, Rizal, Taufiq Saidi, Muttaqin Hasan, Akhyar, Amir Fauzi, and Aulia Rachman. 2026. “Comprehensive Characterization of Fly Ash As a Sustainable Supplementary Cementitious Material”. Civil Engineering Journal 12 (2):681-97. https://doi.org/10.28991/CEJ-2026-012-02-015.