I. ALSAIF, khalil; SALIM AL-LELLA, N. Studying The Noise Effect on Data Hiding Based on Contourlet Coefficients. IRAQI JOURNAL OF STATISTICAL SCIENCES, [S. l.], v. 13, n. 3, p. 165–180, 2013. DOI: 10.33899/iqjoss.2013.081297. Disponível em: https://tanmiyat.uomosul.edu.iq/index.php/stats/article/view/29320. Acesso em: 6 sep. 2025.