G, Ramanan., Neela Rajan.R.R, Jai Aultrin.K.S, and Pradeep. P. “Optimization of Machining Characteristics of Hybrid Composites Using Grey Relational Technique”. International Journal of Engineering & Technology 7, no. 3.1 (August 4, 2018): 158–161. Accessed July 27, 2024. https://sciencepubco.com/index.php/ijet/article/view/17077.