[1]
M. K. . Tawaf, . M. F. . Mohd Amin, D. A. . Mat Yusof, . S. N. . Mohamad, and D. . Che Lat, “Sandstone Rippability Assessment Based on Specific Energy Relationship with Tensile Strength and Surface Hardness”, J. Adv. Res. App. Sc. Eng. Tech., vol. 10, no. 1, pp. 25–33, Dec. 2020.