Abbas, Rafid K., and Ali R. Hassanpour. “Evaluating the Wear of Polycrystalline Diamond Compact Drill Bit Cutters Using Indentation and Scratch Tests”. ARO-THE SCIENTIFIC JOURNAL OF KOYA UNIVERSITY 6, no. 1 (May 31, 2018): 46-54. Accessed December 6, 2022. http://aro.koyauniversity.org/index.php/aro/article/view/ARO.10278.