SAVONA, A. Musical instruments in class singing: Confusion between musical functions and giving signals for classroom management. Tagungsband der 5. Tagung Fachdidaktiken, [S. l.], p. 69–75, 2022. DOI: 10.33683/dida.22.05.15. Disponível em: https://attidida.supsi.ch/index.php/dida/article/view/74. Acesso em: 28 nov. 2025.