I. Alsaif, khalil, khalil, Nagham salim AL-lella, and Nagham. “Studying The Noise Effect on Data Hiding Based on Contourlet Coefficients”. IRAQI JOURNAL OF STATISTICAL SCIENCES 13, no. 3 (June 25, 2025): 165–180. Accessed August 5, 2025. https://rjps.uomosul.edu.iq/index.php/stats/article/view/20874.