Hidayatullah, Jahtra, Yufis Azhar, and Wildan Suharso. “Sistem Pakar Diagnosa HIV/AIDS Menggunakan Metode Backward Chaining Dan Certainty Factor”. Jurnal Repositor 2, no. 11 (January 16, 2024). Accessed November 22, 2024. https://ejournal.umm.ac.id/index.php/repositor/article/view/30958.