ZITO, R. Covid-19. Journal of System Safety, [S. l.], v. 56, n. 2, p. 10–24, 2020. DOI: 10.56094/jss.v56i2.23. Disponível em: https://jsystemsafety.com/index.php/jss/article/view/23. Acesso em: 25 oct. 2025.