Maturidi AJ, Fajri MA, Nurgaha D. Herbal Treatment Expert System For Ent Disease Diagnosis Using The Certainty Factor Method Based On Android. Improsci [Internet]. 2025 Dec. 17 [cited 2026 Jun. 2];3(2):116-31. Available from: https://annpublisher.org/ojs/index.php/improsci/article/view/1048