Rachma, Shindy, M. Nishom, and Sharfina Handayai. “Gastric Disease Diagnostic Expert System Application Using the Fuzzy Mamdani Method”. Journal of Informatics Information System Software Engineering and Applications (INISTA) 5, no. 2 (May 31, 2023): 104-114. Accessed July 3, 2024. https://journal.ittelkom-pwt.ac.id/index.php/inista/article/view/1057.