DADA, S. An Overview of the Primary Healthcare System in Nigeria. International Journal of Applied and Scientific Research, [S. l.], v. 1, n. 3, p. 279–294, 2023. DOI: 10.59890/ijasr.v1i3.572. Disponível em: https://journal.multitechpublisher.com/index.php/ijasr/article/view/572. Acesso em: 10 jun. 2026.