GURUPRIYA K. G. A Survey on Ciphertext Policy Attribute-Based Encryption Scheme based Cloud E- Healthcare Secure Framework. International Journal of Intelligent Systems and Applications in Engineering, [S. l.], v. 12, n. 22s, p. 953 –, 2024. Disponível em: https://ijisae.org/index.php/IJISAE/article/view/6579. Acesso em: 10 oct. 2025.