Raj, John Kuna. “UNDRAINED SHEAR STRENGTH PARAMETERS OF SAPROCK FROM A WEATHERING PROFILE OVER PORPHYRITIC BIOTITE GRANITE AT KM 31 OF THE KUALA LUMPUR - KARAK HIGHWAY, PENINSULAR MALAYSIA”. Malaysian Journal of Civil Engineering 33, no. 2 (July 29, 2021). Accessed June 27, 2022. https://journals.utm.my/mjce/article/view/16400.