FADHILLAH, H.; MARTO SIHOMBING; KRISTINA ANNATASIA BR SITEPU. Expert System for Diagnosing Gingivitis using the Certainty Factor Method. Journal of Artificial Intelligence and Engineering Applications (JAIEA), [S. l.], v. 5, n. 3, p. 4390–4394, 2026. DOI: 10.59934/jaiea.v5i3.2440. Disponível em: https://ioinformatic.org/index.php/JAIEA/article/view/2440. Acesso em: 6 jul. 2026.