Kumar, Manoj, and O. P. Verma. “Content Characteristics Based Robust Watermarking for Relational Database: A New Approach to Database Security”. International Journal of Engineering and Technology 7, no. 1.9 (March 1, 2018): 234–237. Accessed May 13, 2025. https://mail.sciencepubco.com/index.php/IJET/article/view/10003.