Singing teaching in elementary school: differences and similarities between Portugal, Spain, France, England and Brazil. Per Musi, [S. l.], n. 38, 2018. DOI: 10.35699/2317-6377.2018.5168. Disponível em: https://periodicos-hml.cecom.ufmg.br/index.php/permusi/article/view/5168. Acesso em: 8 oct. 2025.