LAHAGU, Aritana; PANGGABEAN, Erwin. Diagnose Disease Expert System Respiratory Tract Infection Method Using Certainty Factor. Journal of Computer Networks, Architecture and High Performance Computing, [S. l.], v. 2, n. 2, p. 263–267, 2020. DOI: 10.47709/cnapc.v2i2.430. Disponível em: https://www.jurnal.itscience.org/index.php/CNAPC/article/view/430. Acesso em: 8 nov. 2026.