Nugroho, Nurhasan, Nurdiana Handayani, Rachmat Destriana, and Tia Ernawati. “IMPLEMENTATION OF CERTAINTY FACTOR IN AN EXPERT SYSTEM FOR DIAGNOSING ORAL CANCER”. Jurnal Riset Informatika 4, no. 1 (December 14, 2021): 79–86. Accessed February 13, 2026. https://ejournal.kresnamediapublisher.com/index.php/jri/article/view/141.