AL SAIF, khalil; JASEM MOHAMMED, S. Suggested Algorithm For Speech Signal Coding. Journal of Education and Science (JES), [S. l.], v. 24, n. 4, p. 131–144, 1970. DOI: 10.33899/edusj.1970.58947. Disponível em: https://ojs.uomosul.edu.iq/index.php/edusj/article/view/23542. Acesso em: 6 aug. 2025.