ESA PUTRA, J. Diagnosis of Facial Skin Problems with the Forward Chaining Reasoning Method and Tracing Certainty Factor Beliefs. Journal of Computer Scine and Information Technology, [S. l.], v. 8, n. 3, p. 86–91, 2022. DOI: 10.35134/jcsitech.v8i3.44. Disponível em: https://jcsitech-upiyptk.org/ojs/index.php/jcsitech/article/view/44. Acesso em: 27 oct. 2025.