Owusu, Ebenezer, Ebenezer Komla Gavua, and Zhan Yong-Zhao. “Facial Expression Recognition – A Comprehensive Review”. International Journal of Technology and Management Research 1, no. 4 (March 12, 2020): 29-46. Accessed November 23, 2024. https://ijtmr.ktu.edu.gh/index.php/ijtmr/article/view/36.