“RESILIENT MODULUS PROPERTIES OF MINE OVERBURDEN TREATED WITH FLY ASH-BASED GEOPOLYMER”, INTERNATIONAL JOURNAL OF GEOMATE, vol. 28, no. 129, pp. 130–137, May 2025, Accessed: Jun. 20, 2026. [Online]. Available: https://geomatejournal.com/geomate/article/view/5058