S, Veni, and Thushara S. “Multimodal Approach to Emotion Recognition for Enhancing Human Machine Interaction - A Survey”. International Journal on Advanced Science, Engineering and Information Technology 7, no. 4 (August 31, 2017): 1428–1433. Accessed June 3, 2024. http://ijaseit.insightsociety.org/index.php/ijaseit/article/view/1662.