Simangunsong, Pandi Barita Nauli, and Mamed Rofendi Manalu. “Testing the K-Means Clustering Algorithm in Processing Student Assignment Grades Using the RapidMiner Application”. Journal Of Data Science 1, no. 02 (September 6, 2023): 51–60. Accessed January 11, 2025. https://ejournal.seaninstitute.or.id/index.php/visualization/article/view/2838.