Dhinur Aini F, Peryanto A. Expert System For Diagnosis Of Gerd Disease Forward Chaining Methods. J. Adv. H. Inf. Res. [Internet]. 2025 Apr. 30 [cited 2026 Apr. 21];3(1):1-8. Available from: https://ejournal.ptti.web.id/index.php/jahir/article/view/332