PUTRI, R. E. Expert System To Detect Digestive Disorders With Backward Chaining Method. Jurnal Teknovasi, [S. l.], v. 7, n. 01, p. 8–18, 2020. DOI: 10.55445/jt.v7i01.10. Disponível em: https://teknovasi.plm.ac.id/index.php/Journalteknovasi/article/view/10. Acesso em: 10 may. 2025.