Siagian, Tania Annisa, Nurdin Nurdin, and Munirul Ula. “Clustering of the Best Senior High Schools in Serdang Bedagai Regency Using the K-Means Method”. Jurnal Sistem Komputer dan Informatika (JSON) 6, no. 4 (June 30, 2025): 202–208. Accessed October 28, 2025. https://ejurnal.stmik-budidarma.ac.id/index.php/JSON/article/view/8669.