TIWARI, S. M.; GAURAV, D.; ABRAHAM, A. COVID-19 outbreak in India: an early stage analysis. International Journal of Scientific Reports, [S. l.], v. 6, n. 8, p. 332–339, 2020. DOI: 10.18203/issn.2454-2156.IntJSciRep20203117. Disponível em: https://www.sci-rep.com/index.php/scirep/article/view/733. Acesso em: 27 sep. 2025.