Retsya Lapiza, Syafriandi, Amalita, N. and Fitria, D. 2023. Grouping The Districts in Sumatera Region Based on Economic Development Indicators Using K-Medoids and CLARA Methods. UNP Journal of Statistics and Data Science. 1, 1 (Feb. 2023), 16–22. DOI:https://doi.org/10.24036/ujsds/vol1-iss1/13.