C.Jagadeeswari, M.Uday Theja. “ Performance Evaluation of Intelligent Face Mask Detection System With Various Deep Learning Classifiers”. International Journal of Advanced Science and Technology 29, no. 11s (May 15, 2020): 3083 - 3087. Accessed September 23, 2021. https://sersc.org/journals/index.php/IJAST/article/view/23805.