Sari, Bunga Ratna, and Sabar Rudiarto. 2021. “Implementasi Forward Chaining Dan Certainty Factor Pada Aplikasi Konsultasi Kecantikan”. JITCE (Journal of Information Technology and Computer Engineering) 5 (01):8-17. https://doi.org/10.25077/jitce.5.01.8-17.2021.