Wibowo, Arief, Andy Rio Handoko, and Muhammad Zarlis. “Regional Clustering Model of Covid-19 Cases at the Early of the Pandemic in Indonesia”. International Journal of Intelligent Systems and Applications in Engineering 12, no. 1 (December 25, 2023): 324–331. Accessed May 20, 2024. https://ijisae.org/index.php/IJISAE/article/view/3906.