Siti Nurhaliza, and Tessy Octavia Mukhti. “Clustering Regions in West Sumatera Based on the Special Protection Index for Children Using K-Means Clustering With Silhouette Coefficient”. UNP Journal of Statistics and Data Science 3, no. 1 (April 16, 2025): 123–129. Accessed April 19, 2025. https://ujsds.ppj.unp.ac.id/index.php/ujsds/article/view/356.