V, P. D.; J, U. Teaching package improves mothers knowledge on vaccine preventable diseases and vaccination: a Quasi experimental study. International Journal of Research in Medical Sciences, [S. l.], v. 2, n. 3, p. 976–982, 2017. Disponível em: https://www.msjonline.org/index.php/ijrms/article/view/2336. Acesso em: 15 oct. 2025.