“MAXIMIZING VOLUME OF SPENT BLEACHING EARTH ASH (SBEA) POZZOLAN USED AS CEMENT REPLACEMENT IN MORTAR THROUGH MECHANICAL ACTIVATION”. Jurnal Teknologi (Sciences & Engineering) 84, no. 5 (July 26, 2022): 105–116. Accessed December 19, 2024. https://journals.utm.my/jurnalteknologi/article/view/18177.