LESMANA, Renaldy Richie. IMPLEMENTASI METODE CERTAINTY FACTOR BERBASIS WEB PADA APLIKASI REKOMENDASI DIAGNOSA KASUS COVID-19. Jurnal Ilmu Teknik dan Komputer, Jakarta, Indonesia, v. 5, n. 2, p. 312–320, 2021. Disponível em: https://publikasi.mercubuana.ac.id/index.php/jitkom/article/view/10157. Acesso em: 3 jun. 2026.