DOBBINS, P.; DOUGLAS, S. Electroacoustical and real-ear comparisons of assistive listening devices. Canadian Acoustics, [S. l.], v. 19, n. 4, p. 79–80, 1991. Disponível em: https://jcaa.caa-aca.ca/index.php/jcaa/article/view/678. Acesso em: 1 jul. 2022.