Syaiful Zuhri Harahap and Masrizal 2021. Clusterization Using K-Means Clustering Algorithm In Predicting Student Graduation Time. International Journal of Business, Technology and Organizational Behavior (IJBTOB). 1, 6 (Dec. 2021), 484–489. DOI:https://doi.org/10.52218/ijbtob.v1i6.152.