Suresh, K. S., and T. Kamalakannan. “Digital Image Steganography in the Spatial Domain Using Block-Chain Technology to Provide Double-Layered Protection to Confidential Data Without Transferring the Stego-Object”. International Journal of Intelligent Systems and Applications in Engineering 11, no. 2s (January 27, 2023): 61–68. Accessed May 7, 2024. https://ijisae.org/index.php/IJISAE/article/view/2508.