HENDRO PRAJITNO, Jongky et al. The proper use of face mask during COVID-19 pandemic in urban community. Gaceta Médica de Caracas, [S. l.], v. 129, n. 2S, p. S299-S304, 2021. Disponível em: https://saber.ucv.ve/ojs/index.php/rev_gmc/article/view/22912. Acesso em: 10 dic. 2025.