“A Review on Key Aggregate Policies for Secure Data Sharing in Cloud Storage”, Int. J. Curr. Eng. Technol., vol. 5, no. 1, pp. 310–312, Feb. 2015, Accessed: Apr. 07, 2026. [Online]. Available: https://ijcet.evegenis.org/index.php/ijcet/article/view/1899