Al Ghifari M, Harsanti Putri WT. Clustering Courses Based On Student Grades Using K-Means Algorithm With Elbow Method For Centroid Determination. Inf. J. Ilm. Bid. Teknol. Inf. dan Komun. [Internet]. 2023Jan.27 [cited 2024May7];8(1):42-6. Available from: https://ejournal.unitomo.ac.id/index.php/inform/article/view/4519