Sampath Kumar M, ArunKumar.J, Balasubramani.D, Gowtham.R, and Arumugam.M. “Design and Optimization of a Cutting Parameters for Composite Materials in Drilling Process”. International Journal of Intellectual Advancements and Research in Engineering Computations, vol. 5, no. 2, June 2017, pp. 1835-9, https://ijiarec.com/ijiarec/article/view/1395.