N. Nurdin, E. Susanti, H. Aidilof, and D. Priyanto, “Comparison of Naive Bayes and Dempster Shafer Methods in Expert System for Early Diagnosis of COVID-19”, MATRIK : Jurnal Manajemen, Teknik Informatika dan Rekayasa Komputer, vol. 22, no. 1, pp. 215-228, Nov. 2022.