Harmaji, A., A. Adhikaprasetyo, and B. Sunendar. “Characterization of MgO and Al2O3 Based Refractory Waste As Partial Replacement for Fly Ash Based Geopolymer”. Physics and Chemistry of Solid State 25, no. 2 (May 28, 2024): 289–296. Accessed November 23, 2024. https://personnel.pnu.edu.ua/index.php/pcss/article/view/7345.