Rahadian, Y. R. dan Syairudin, B. (2025) “Segmentation Analysis of Students in X Course with RFM Model and Clustering”, Jurnal Sosial Humaniora, hlm. 59–79. Tersedia pada: https://journal.its.ac.id/index.php/jsh/article/view/2803 (Diakses: 27 Juli 2026).