Imam Fauzi, E., Z. Samad, M. Che Jamil, N. Nor, and G. Boon. “Parametric Modeling of Metal Inert Gas (MIG) Welding Process Using Second-Order Regression Model Analysis”. Journal of Advanced Manufacturing Technology (JAMT), vol. 12, no. 1(2), Aug. 2018, pp. 367-82, https://ojsdemo.utem.edu.my/jamt/article/view/4293.