S. Sriadhi, Syawal Gultom, M. Martiano. “Accuracy of Data Cluster Using Modify K-Mean Algorithm by Local Deviation Method”. International Journal of Advanced Science and Technology 29, no. 05 (April 21, 2020): 2019 - 2025. Accessed May 3, 2024. http://sersc.org/journals/index.php/IJAST/article/view/10725.