AZEEZ, N.; ILIYAS, H. Implementation of a 4-tier cloud-based architecture for collaborative health care delivery. Nigerian Journal of Technological Development, [S. l.], v. 13, n. 1, p. 17–25, 2016. DOI: 10.4314/njtd.v13i1.4. Disponível em: https://www.ajol.info/index.php/njtd/article/view/144475. Acesso em: 11 oct. 2026.