Dini, Sekti Kartika, and Achmad Fauzan. “Clustering Provinces in Indonesia Based on Community Welfare Indicators”. EKSAKTA: Journal of Sciences and Data Analysis 20, no. 1 (February 18, 2020): 56–63. Accessed May 3, 2024. https://journal.uii.ac.id/Eksakta/article/view/14436.