Saad Patel, Chinmay Phanasgaonkar, Ritwik Uphale, Tushar Yadav, and Poonam Vengurlekar. “Face Mask Detection Using AI With Automatic Invoice Generator”. International Journal of Progressive Research in Science and Engineering, vol. 3, no. 05, May 2022, pp. 66-67, https://journal.ijprse.com/index.php/ijprse/article/view/565.