LEVINA T; DR. S C LINGAREDDY. Security Provisioning in Cloud Environments using Dynamic Expiration Enabled Role based Access Control Model. Global Journal of Computer Science and Technology, [S. l.], v. 13, n. E16, p. 5–19, 2013. Disponível em: https://computerresearch.org/index.php/computer/article/view/13. Acesso em: 7 may. 2024.