SETIAWAN, Setiawan; KUSUMA, Ikhwan; SARIONO, Endro; RIYADI, Slamet; WIBOWO, Aryo. An Explainable Rule-Based Expert System with Certainty Factor for Early Acne Detection. Journal of Bio-Digital and Forensic Informatics, Purwokerto, Indonesia, v. 1, n. 1, p. 23–32, 2026. Disponível em: https://ejournal.uhb.ac.id/index.php/jbdfi/article/view/2223. Acesso em: 16 mar. 2026.