MUHAMMAD, R. .; KHAN, A. U. .; KHAN, M. I. .; YAQOOB, S. . Communication Strategy for Effective Polio Vaccination: A Case Study of Dera Ismail Khan District. Research Journal for Societal Issues, [S. l.], v. 1, n. 1, p. 59–68, 2019. DOI: 10.56976/rjsi.v1i1.19. Disponível em: https://rjsi.org.pk/index.php/Research/article/view/19. Acesso em: 21 nov. 2024.