Arifiyanti, Amalia, Farhan Darusman, and Brahmantio Trenggono. “Population Density Cluster Analysis in DKI Jakarta Province Using K-Means Algorithm”. Journal of Information Systems and Informatics 4, no. 3 (September 2, 2022): 772-783. Accessed October 1, 2025. https://journal-isi.org/index.php/isi/article/view/315.