M.Shanmugam, M.P.Agathiyan, R.S.Hariharan, B.Jayasuriya, and R.Manoj Kumar. 2018. “Multi Objective Optimization in Turning of AISI 4340 Alloy Steel Using Response Surface Methodology”. International Journal of Intellectual Advancements and Research in Engineering Computations 6 (1):642-45. https://ijiarec.com/ijiarec/article/view/522.