Pengelompokkan Data Kasus Covid-19 di Sumatera Utara Menggunakan Metode K-Means. IJM: Journal of Multidisiplinary, [S. l.], v. 3, n. 1, 2024. Disponível em: https://ojs.csspublishing.com/index.php/ijm/article/view/31.. Acesso em: 3 aug. 2025.