sijabat, petti, Eviyanti Barus, Kristin Sitompul, Sinta Suwanda, and Maira Mau Lydia. 2026. “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 (2):125-29. https://doi.org/10.30865/ijics.v10i2.9806.