Khairul, K., Rian Farta Wijaya, R. R. Rizky, R. R. Rahmat Rezki, Siska Simamora, G. S. B. N. Glorynta S B Nadeak, and R. F. Reza Fahromi. “Analysis of Dempster Shafer Method, Certainty Factor and Bayes Theorem in Expert Systems Diagnosing Tuberculosis Disease”. INFOKUM, Vol. 10, no. 5, Dec. 2022, pp. 97-103, http://infor.seaninstitute.org/index.php/infokum/article/view/884.