Sallehuddin, A. F. H., M. I. Ahmad, R. Ngadiran, and M. N. Md Isa. “A Survey of Iris Recognition System”. Journal of Telecommunication, Electronic and Computer Engineering (JTEC), vol. 8, no. 4, July 2016, pp. 133-8, https://jtec.utem.edu.my/jtec/article/view/1188.