AHMED KHALIL, R. Adaptive Filter Application in Echo Cancellation System and Implementation using FPGA. Al-Rafidain Engineering Journal (AREJ), [S. l.], v. 16, n. 5, p. 20–32, 2008. DOI: 10.33899/rengj.2008.44853. Disponível em: https://jamh.uomosul.edu.iq/index.php/arej/article/view/30806. Acesso em: 5 sep. 2025.