Aadesh Yadav and Mr. Dinesh Dubey, “A Review Paper on Hard Turning of Automotive Gears with Polycrystalline Copper Nitride Tools as a Substitute for Grinding”, Int. J. Sci. Res. Mech. Mater. Eng, vol. 9, no. 5, pp. 01–07, Sept. 2025, Accessed: Feb. 04, 2026. [Online]. Available: https://mail.ijsrmme.com/index.php/home/article/view/IJSRMME25951