POCHA NAGESWARA REDDY; D.JAYANARAYANA REDDY; DR S.PREM KUMAR. Efficient User Revocation in Dynamic Cloud Using Proxy Server. International Journal of Computer Engineering in Research Trends, [S. l.], v. 2, n. 9, p. 552–557, 2015. Disponível em: https://www.ijcert.org/index.php/ijcert/article/view/247. Acesso em: 10 jun. 2026.