GUPTA, R. .; SINGH, A. K. . Differential and Access Policy Based Privacy-Preserving Model in Cloud Environment. Journal of Web Engineering, [S. l.], v. 21, n. 03, p. 609–632, 2022. DOI: 10.13052/jwe1540-9589.2132. Disponível em: https://journals.riverpublishers.com/index.php/JWE/article/view/6481. Acesso em: 9 may. 2024.