Ibrahim, N., N. S. Md. Akhir, and F. H. Hassan. “Using Clustering and Predictive Analysis of Infected Area on Dengue Outbreaks in Malaysia”. Journal of Telecommunication, Electronic and Computer Engineering (JTEC), vol. 9, no. 2-12, Sept. 2017, pp. 51-58, https://jtec.utem.edu.my/jtec/article/view/2770.