Abdul Rahman, N., I. Masood, M. N. Abdol Rahman, and N. F. Nasir. “Control Chart Pattern Recognition in Metal-Stamping Process Using Statistical Features-Ann”. Journal of Telecommunication, Electronic and Computer Engineering (JTEC), vol. 9, no. 3-2, Oct. 2017, pp. 5-9, https://jtec.utem.edu.my/jtec/article/view/2803.