Muid, Abu, Sudipta Das, MD Rahman, and Dr. Md. Rahman. “Enhancing Image Encryption With Quadrant-Based Layered Multi-Key Systems”. International Journal Of Mathematics And Computer Research 12, no. 12 (December 3, 2024): 4633-4640. Accessed May 19, 2026. https://www.ijmcr.everant.org/index.php/ijmcr/article/view/834.