A. C. Ashmita (2023) “HAP-BB: Hidden Access Policy-Based Cloud Data Sharing with Block Design and Blockchain Methodology”, International Journal of Intelligent Systems and Applications in Engineering, 11(11s), pp. 538 –. Available at: https://ijisae.org/index.php/IJISAE/article/view/7068 (Accessed: 19 September 2025).