The Impact of Imperfect Vaccination on Infectious Disease Transmission in an Age-Structured Population. International Journal of Applied Mathematics and Simulation, [S. l.], v. 2, n. 1, 2025. DOI: 10.69717/ijams.v2.i1.104. Disponível em: https://journals.univ-biskra.dz/index.php/ijams/article/view/104.. Acesso em: 22 jan. 2025.