Bambang Suharjo. “K-Mean Clustering and Linear Regression Model for Grouping and Treatment Prediction on Natural Disasters and Poverty Average Percentage to Decrease the Victims in 2015 – 2019”. International Journal of Advanced Science and Technology, Vol. 29, no. 08, June 2020, pp. 4932-41, http://sersc.org/journals/index.php/IJAST/article/view/26825.