Jamaluddin, H., J.A. Ghani, B. Md Deros, M.N. Ab Rahman, and R. Ramli. 2016. “Quality Improvement Using Taguchi Method in Shot Blasting Process”. Journal of Mechanical Engineering and Sciences 10 (2):2200-2213. https://doi.org/10.15282/jmes.10.2.2016.22.0206.