Simangunsong, Pandi Barita Nauli, and Mamed Rofendi Manalu. 2023. “Testing the K-Means Clustering Algorithm in Processing Student Assignment Grades Using the RapidMiner Application”. Journal Of Data Science 1 (02):51-60. https://ejournal.seaninstitute.or.id/index.php/visualization/article/view/2838.