Belia Mailien, Admi Salma, Syafriandi, and Dina Fitria. “Comparison K-Means and Fuzzy C-Means Methods to Grouping Human Development Index Indicators in Indonesia”. UNP Journal of Statistics and Data Science 1, no. 1 (February 9, 2023): 23–30. Accessed September 19, 2024. https://ujsds.ppj.unp.ac.id/index.php/ujsds/article/view/4.