Bejaxhin, A. B. H., and G. Paulraj. “Performance Characterization of Surface Quality and Tool Wear of Wet/Dry Drilling on Steels by Using Coated Drill Bits”. Proceedings of Engineering and Technology Innovation, vol. 12, May 2019, pp. 09-20, https://ojs.imeti.org/index.php/PETI/article/view/3597.