M.AZHAGIRI2, L. Providing trusted services using cloud brokerage and aggregation approach in cloud environment. International Journal of Engineering Technology and Computer Research, [S. l.], v. 4, n. 2, 2016. Disponível em: https://www.ijetcr.org/index.php/ijetcr/article/view/301. Acesso em: 1 jul. 2026.