JUSTICE, R. W. Helen Bonny as Teacher, Mentor and Supervisor. Voices: A World Forum for Music Therapy, [S. l.], v. 10, n. 3, 2010. DOI: 10.15845/voices.v10i3.498. Disponível em: https://voices.no/index.php/voices/article/view/1878. Acesso em: 4 oct. 2022.