Muarriful AzizA., Bismo UtomoY., & Efytra YulianaD. (2022). Implementasi Metode Certainty Factor Berbasis Android Pada Sistem Pakar Diagnosa Kecanduan Smartphone. JOURNAL ZETROEM, 4(1), 1 - 7. https://doi.org/10.36526/ztr.v4i1.1813