Andriani T, Mentari RS, Situkkir M, Nasution D. Expert System for Diagnosing Gastric Disease Using the Forward Chaining Method. Jurnal Install [Internet]. 2024 Jun. 30 [cited 2026 Mar. 26];16(02):110-9. Available from: https://journalinstal.cattleyadf.org/index.php/Instal/article/view/226