Mulya, N., Fajri Juli Rahman Nur Zendrato, Muhammad Arief Rivano, Zamahsary Martha and Tessy Octavia Mukhti 2026. Comparison of K-Means and Ward Methods in Clustering Indonesian Provinces Based on Household Basic Service Access. UNP Journal of Statistics and Data Science. 4, 1 (Feb. 2026), 42–53. DOI:https://doi.org/10.24036/ujsds/vol4-iss1/449.