I. Al-Saif, Khalil, خلیل, Ahmed H. Saleh, and احمد. 2025. “Denoise Digital Images Depending on Contourlet Transform”. AL-Rafidain Journal of Computer Sciences and Mathematics 7 (3):227-42. https://rjps.uomosul.edu.iq/index.php/csmj/article/view/20014.