Sari, Bunga Ratna, and Sabar Rudiarto. “Implementasi Forward Chaining Dan Certainty Factor Pada Aplikasi Konsultasi Kecantikan”. JITCE (Journal of Information Technology and Computer Engineering), vol. 5, no. 01, Mar. 2021, pp. 8-17, doi:10.25077/jitce.5.01.8-17.2021.