Alsibai, M. H., N. N. N. Hamran, A. Nasir, and A. A. Abdullah. “A Monitoring System for EPW Safe Use”. Journal of Telecommunication, Electronic and Computer Engineering (JTEC), vol. 10, no. 1-2, Jan. 2018, pp. 131-5, https://jtec.utem.edu.my/jtec/article/view/3340.