MAIMOONA SULTANA, D. M. A. W. Implementation of Multi-Authority Data Access Control System in Public Cloud Storage. International Journal of Engineering Technology and Computer Research, [S. l.], v. 5, n. 5, 2017. Disponível em: https://ijetcr.org/index.php/ijetcr/article/view/432. Acesso em: 26 aug. 2026.