GAYAN, E. Educación Musical: Noticias. Revista Musical Chilena, [S. l.], v. 14, n. 69, p. p. 106–112, 1960. Disponível em: https://revistaeggp.uchile.cl/index.php/RMCH/article/view/13017. Acesso em: 23 jun. 2024.