Hasdyna, Novia, Rozzi Kesuma Dinata, and Balqis Yafis. “Optimizing K-Means Algorithm Using the Purity Method for Clustering Oil Palm Producing Regions”. JISKA (Jurnal Informatika Sunan Kalijaga) 10, no. 1 (January 31, 2025): 1–15. Accessed July 13, 2025. https://journal.uin-suka.ac.id/saintek/JISKA/article/view/4817.