SWEATHA, S.; MONISHA, P.; DEVI, S. S. An SIR Model for COVID-19 Outbreak in India. Communications in Mathematics and Applications, [S. l.], v. 13, n. 2, p. 661–669, 2022. DOI: 10.26713/cma.v13i2.1729. Disponível em: http://www.rgnpublications.com/journals/index.php/cma/article/view/1729. Acesso em: 3 may. 2024.