Gustri Wahyuni, Elyza, and Ricky Kurniawan. “Comparative Analysis of Veneral Diseases Diagnosed Using Tree and Certainty Factor Method”. International Journal of Engineering and Technology 7, no. 4.38 (December 3, 2018): 924–927. Accessed April 9, 2025. https://sciencepubco.com/index.php/IJET/article/view/27610.