Ghozali, Imam, Ummi Athiyah, and Yohani Nur. “Implementation of Forward Chaining And Certainty Factor Methods for Android-Based Red Onion Diagnosis”. Journal of Informatics Information System Software Engineering and Applications (INISTA) 8, no. 1 (June 26, 2025): 42-52. Accessed June 4, 2026. https://journal.ittelkom-pwt.ac.id/index.php/inista/article/view/1779.