GEIGER, O. . "We give you a song and you give us a song"- Reciprocity in Action Research in the field of Music Education. International Journal of Learning, Teaching and Educational Research, [S. l.], v. 15, n. 13, p. 12–19, 2016. Disponível em: http://www.ijlter.net/index.php/ijlter/article/view/853. Acesso em: 21 apr. 2026.