WASET
    Hui-Chuan Chu and  Min-Ju Liao and  Wei-Kai Cheng and  William Wei-Jen Tsai and  Yuh-Min Chen,  Emotion Classification for Students with Autism in Mathematics E-learning using Physiological and Facial Expression Measures.   journal   = {International Journal of Information and Communication Engineering}, [online]. World Academy of Science, Engineering and Technology.
    June 2012, vol. 66(6). 1660 - 1669
    [viewed 19 April 2024]. Available from: https://publications.waset.org/pdf/9119.