Hasdyna, N., Dinata, R.K. and Yafis, B. 2025. Optimizing K-Means Algorithm Using the Purity Method for Clustering Oil Palm Producing Regions. JISKA (Jurnal Informatika Sunan Kalijaga). 10, 1 (Jan. 2025), 1–15. DOI:https://doi.org/10.14421/jiska.2025.10.1.1-15.