Triyanti, V., Yassierli, Y. and Iridiastadi, H. 2019. Basic Emotion Recogniton using Automatic Facial Expression Analysis Software. Jurnal Optimasi Sistem Industri. 18, 1 (May 2019), 55–64. DOI:https://doi.org/10.25077/josi.v18.n1.p55-64.2019.