Putra, Adya Zizwan, Ryan Wijaya Pinem, Sehat Silalahi, Fendianu Gulo, and Juan Antonio Adityo Liukhoto. “Classification of Covid-19 Patient Spread Rate By Age and Region With K-Means Algorithm”. Sinkron : jurnal dan penelitian teknik informatika 6, no. 3 (August 5, 2022): 1085-1989. Accessed May 25, 2026. https://jurnal.polgan.ac.id/index.php/sinkron/article/view/11603.