ACHYUTHA, P. N.; HEBBALE, S.; VANI, V. Real time COVID-19 facemask detection using deep learning. International journal of health sciences, [S. l.], v. 6, n. S4, p. 1446–1462, 2022. DOI: 10.53730/ijhs.v6nS4.6231. Disponível em: https://sciencescholar.us/journal/index.php/ijhs/article/view/6231. Acesso em: 27 apr. 2026.