Roslan, R, RC Omar, I.N.Z. Baharuddin, Hairin Taha, M.M. Fared, and W.N.S.W. Hashim. 2018. “Determination of Segari Rock Slope Excavation Technique Using Geological Strength Index (GSI)”. International Journal of Engineering & Technology 7 (4.35): 819-22. https://doi.org/10.14419/ijet.v7i4.35.23114.