SUPANGAT, Supangat; SARINGAT, Mohd Zainuri Bin; ROCHMAN, Mochamad Yovi Fatchur. Predicting Handling Covid-19 Opinion using Naive Bayes and TF-IDF for Polarity Detection. MATRIK : Jurnal Manajemen, Teknik Informatika dan Rekayasa Komputer, [S. l.], v. 22, n. 2, p. 173–184, 2023. DOI: 10.30812/matrik.v22i2.2227. Disponível em: https://journal.universitasbumigora.ac.id/matrik/article/view/2227. Acesso em: 31 jul. 2025.