Patel, A.R. and Bhavsar, S.N. 2021. Laser Machining of Die Steel (EN-31): An Experimental Approach to Optimise Process Parameters using Response Surface Methodology. International Journal of Automotive and Mechanical Engineering. 18, 1 (Mar. 2021), 8563 –. DOI:https://doi.org/10.15282/ijame.18.1.2021.15.0650.