Hybrid System for Speech Coding Based on Contourlet Transformation. AL-Rafidain Journal of Computer Sciences and Mathematics, [S. l.], v. 10, n. 1, p. 107–117, 2013. DOI: 10.33899/csmj.2013.163428 . Disponível em: https://csmj.uomosul.edu.iq/index.php/csmj/article/view/36550. Acesso em: 12 aug. 2026.