Modiga, A., N. Sosibo, and N. Singh. “Preparation and Characterization of Glass-Ceramic Composites from South African Coal Fly Ash: A Recent Study”. Advanced Aspects of Engineering Research Vol.12 (May 22, 2021): 92–106. Accessed June 3, 2026. https://stm.bookpi.org/AAER-V12/article/view/1287.