Rohit Ahuja. “A Study of Multi-Layered Database Security Architectures: Combining Access Control, Encryption, and Intrusion Prevention for Comprehensive Protection”. International Journal on Recent and Innovation Trends in Computing and Communication, vol. 9, no. 2, Feb. 2021, pp. 42-49, https://ijritcc.org/index.php/ijritcc/article/view/11920.