Septiyadi, M.H., Yupianti, Y. and Zulfiandry, R. 2023. An Expert System To Diagnose Bronchitis Disease Using Certainty Factor Method. Jurnal Media Computer Science. 2, 1 (Jan. 2023), 35–40. DOI:https://doi.org/10.37676/jmcs.v2i1.3346.