WASET
    V. Gomathi and  Dr. K. Ramar and  A. Santhiyaku Jeevakumar,  Human Facial Expression Recognition using MANFIS Model.   journal   = {International Journal of Computer and Information Engineering}, [online]. World Academy of Science, Engineering and Technology.
    February 2009, vol. 26(2). 288 - 292
    [viewed 26 April 2024]. Available from: https://publications.waset.org/pdf/13988.