Mulya, N., Fajri Juli Rahman Nur Zendrato, Muhammad Arief Rivano, Zamahsary Martha, and Tessy Octavia Mukhti. “Comparison of K-Means and Ward Methods in Clustering Indonesian Provinces Based on Household Basic Service Access”. UNP Journal of Statistics and Data Science, vol. 4, no. 1, Feb. 2026, pp. 42-53, doi:10.24036/ujsds/vol4-iss1/449.