Fahmiyah, Indah, and Ratih Ardiati Ningrum. “Human Development Clustering in Indonesia: Using K-Means Method and Based on Human Development Index Categories”. Journal of Advanced Technology and Multidiscipline 2, no. 1 (May 31, 2023): 27–33. Accessed June 8, 2025. https://e-journal.unair.ac.id/JATM/article/view/45070.