Bustomi, Tommy, Jundro Daud Hasiholan, and Kusno Harianto. “Student Class Grouping in Junior High Schools Based on Academic Performance Using the Fuzzy C-Means Method”. Building of Informatics, Technology and Science (BITS) 7, no. 3 (December 31, 2025): 2059-2068. Accessed June 3, 2026. https://ejurnal.seminar-id.com/index.php/bits/article/view/8585.