Sulfayanti, et al. “Analisis Performa K-Nearest Neighbor Dalam Mengklasifikasi Sentimen Pengguna Aplikasi PeduliLindungi”. Journal of Computer and Information System ( J-CIS ), vol. 7, no. 1, June 2024, pp. 1-12, doi:10.31605/jcis.v7i1.3767.