“Comparison of the Performance of the K-Means and K-Medoids Algorithms in Grouping Regencies/Cities in Sumatera Based on Poverty Indicators”, ujsds, vol. 1, no. 2, hlm. 59–66, Mar 2023, Diakses: Okt 03, 2026. Tersedia pada: https://ujsds.ppj.unp.ac.id/index.php/ujsds/article/view/25