Triyanti V, Yassierli Y, Iridiastadi H. Basic Emotion Recogniton using Automatic Facial Expression Analysis Software. J. Optimasi Sist. Ind. [Internet]. 2019 May 16 [cited 2024 Apr. 23];18(1):55-64. Available from: https://josi.ft.unand.ac.id/index.php/josi/article/view/323