BURNETT, R. J.; DLAMINI, N. R.; MEYER, J. C.; FERNANDES, L.; MOTLOUNG, B. R.; NDLOVU, T. H.; SIMANGO, H. A.; KIBUUKA, D. K.; DOCHEZ, C.; MONTWEDI, D. N.; NKWINIKA, V. V.; MPHAHLELE, M. J. Progress towards obtaining valid vaccination coverage data in South Africa. South African Journal of Science, [S. l.], v. 115, n. 5/6, 2019. DOI: 10.17159/sajs.2019/6060. Disponível em: https://sajs.co.za/article/view/6060. Acesso em: 8 aug. 2022.