Firnando, Delvin, Asnawati Asnawati, and Eko Suryana. “Cataract Disease Diagnostic Expert System Using Forward Chaining Method”. Jurnal Media Computer Science 2, no. 1 (January 7, 2023): 31–34. Accessed April 20, 2024. https://jurnal.unived.ac.id/index.php/jmcs/article/view/3343.