sijabat, petti, Eviyanti Barus, Kristin Sitompul, Sinta Suwanda, and Maira Mau Lydia. “K-Means Clustering for Adaptive Learning Recommendations Based on Student Academic Performance in Vocational Education”. The IJICS (International Journal of Informatics and Computer Science) 10, no. 2 (July 29, 2026): 125–129. Accessed August 4, 2026. https://ejurnal.stmik-budidarma.ac.id/index.php/ijics/article/view/9806.