Pratama IA, Erianda A, Syawaldipa A. Sistem Pakar Diagnosa Kerusakan Smartphone Menggunakan Metode Certainty Factor. jitsi [Internet]. 2026Mar.31 [cited 2026Mar.29];7(1):81 -87. Available from: https://jurnal-itsi.org/index.php/jitsi/article/view/556