Stability Analysis with Bifurcation of an SVIR Epidemic Model Involving Immigrants. Iraqi Journal of Science, [S. l.], v. 54, n. 2, p. 397–408, 2024. Disponível em: https://ijs.uobaghdad.edu.iq/index.php/eijs/article/view/12310.. Acesso em: 12 may. 2024.