Al Hafiz, Muhammad, Novriyenni, and Fuzy Yustika Manik. “Expert System for Diagnosing Lipoma Disease in Hospital Patients Latersia Using the Certainty Factor (CF) Method”. Journal of Artificial Intelligence and Engineering Applications (JAIEA) 3, no. 1 (October 15, 2023): 504–513. Accessed July 23, 2026. https://ioinformatic.org/index.php/JAIEA/article/view/376.