MASHAQ, Ferdynan; SARI, Herlina Latipa; PRAHASTI, Prahasti. Expert System To Diagnose Periodontal Disease Using Certainty Factor Method. Jurnal Komputer, Informasi dan Teknologi, [S. l.], v. 1, n. 1, p. 134–140, 2021. DOI: 10.53697/jkomitek.v1i1.149. Disponível em: https://penerbitadm.pubmedia.id/index.php/KOMITEK/article/view/149. Acesso em: 1 jul. 2025.