NOGODALLA, M. A.; ABDELGHANI, A. I. Impact of Staff Qualification and Training on Performance of the Core Function Activities (CFA) of the Communicable Disease Surveillance System, Gazera State, Sudan, 2009. Online Journal of Public Health Informatics, [S. l.], v. 6, n. 1, 2014. DOI: 10.5210/ojphi.v6i1.5113. Disponível em: https://ojphi.org/ojs/index.php/ojphi/article/view/5113. Acesso em: 29 jan. 2022.