Apandi Bukhori, and Felisyane Misadela. “Diphtheria Diagnosis Expert System: Leveraging Fuzzy Logic for Precision and Efficiency in Infectious Disease Detection”. Journal Basic Science and Technology, vol. 12, no. 3, Oct. 2023, pp. 83-90, https://www.ejournal.iocscience.org/index.php/JBST/article/view/4842.