KAMIŃSKA, Barbara. The vocal competence of children and youth - diagnostic research. Interdisciplinary Studies in Musicology, [S. l.], v. 10, p. 87–96, 2011. DOI: 10.14746/ism.2011.10.8. Disponível em: https://pressto.amu.edu.pl/index.php/ism/article/view/15022. Acesso em: 3 oct. 2026.