MADGE ESCOBEDO, J.; PÉREZ NÚÑEZ, J. R. Analysis and simulation of an extended SEIR mathematical model with vaccination for the spread of SARS-COV-2. Selecciones Matemáticas, [S. l.], v. 9, n. 01, p. 121 - 136, 2022. DOI: 10.17268/sel.mat.2022.02.09. Disponível em: https://revistas.unitru.edu.pe/index.php/SSMM/article/view/3912. Acesso em: 12 jun. 2024.