Reney, Dr.Dolly, and Neeta Tripathi. “Review on Human Face and Expression Recognition”. CSVTU International Journal of Biotechnology, Bioinformatics and Biomedical 3, no. 3 (February 18, 2019): 31–40. Accessed March 12, 2025. https://csvtujournal.in/index.php/ijbbb/article/view/ijbbb.20180303001.