Different Teaching Approaches for Vocal Projection in Classical Singing. Per Musi, [S. l.], n. 33, 2018. DOI: 10.1590/permusi20163307. Disponível em: https://periodicos-hml.cecom.ufmg.br/index.php/permusi/article/view/5217. Acesso em: 5 oct. 2025.