S. Al-Jawadi, A., O. Mohammed, F., M. Jaafar, I. and Davie, C. 2025. The Quantification of the Geological Strength Index (GSI): A Review. Iraqi National Journal of Earth Science (INJES). 25, 2 (Apr. 2025), 253–267. DOI:https://doi.org/10.33899/earth.2024.145397.1196.