S. Nori, Ahmed, and Ansam Osamah. “Steganography Based on Vector Quantization Technique”. AL-Rafidain Journal of Computer Sciences and Mathematics 10, no. 3 (September 15, 2013): 13–27. Accessed November 2, 2025. https://csmj.uomosul.edu.iq/index.php/csmj/article/view/36698.