Level of knowledge about COVID-19 in students of the Universidad Nacional de Chimborazo. Ecuador. Revista Científica Estelí, [S. l.], n. 37, p. 2–16, 2021. DOI: 10.5377/farem.v0i37.11209. Disponível em: https://revistas.unan.edu.ni/index.php/Cientifica/article/view/2130. Acesso em: 10 aug. 2025.