HAITHAM ABBOOD, Wisam. High performance technique FIR Filter Using Least Squares Method. Journal of Engineering and Sustainable Development, Baghdad, Iraq, v. 12, n. 3, p. 1–7, 2008. Disponível em: https://jeasd.uomustansiriyah.edu.iq/index.php/jeasd/article/view/1654.. Acesso em: 10 feb. 2025.