Ngu, E. O. Y., and S. H. A. Ali. “Development of Handwriting Recognition System in Postal Service Sector”. Journal of Telecommunication, Electronic and Computer Engineering (JTEC), vol. 9, no. 3-7, Nov. 2017, pp. 119-23, https://jtec.utem.edu.my/jtec/article/view/3085.