Dwi Septa Kariza, R., Jamaludin, A., & Perimajaya, A. . (2022). Expert System Diagnosing Gastroesophageal Reflux Disease (GERD) Using Certainty-Factor Method. Jurnal Mantik, 6(3), 3365-3373. Retrieved from https://iocscience.org/ejournal/index.php/mantik/article/view/3130