A. Aliff Jamaludin, N. Mizamzul Mehat, and S. Kamaruddin, “Optimizing wear rate for PDC cutter using taguchi’s technique and response surface methodology a comparative analysis”, IJET, vol. 8, no. 3, pp. 155–161, Aug. 2019, doi: 10.14419/ijet.v8i3.17132.