BANH, J.; NAUMENKO, K.; GOY, H.; VAN LIESHOUT, P.; FERNANDES, D. N.; PICHORA-FULLER, K. Establishing normative voice characteristics of younger and older adults. Canadian Acoustics, [S. l.], v. 37, n. 3, p. 190–191, 2009. Disponível em: https://jcaa.caa-aca.ca/index.php/jcaa/article/view/2198. Acesso em: 29 may. 2023.