EDITORIAL, C. Extensión Musical Educativa. Revista Musical Chilena, [S. l.], v. 13, n. 63, p. p. 74–80, 1959. Disponível em: https://revistamusicalchilena.uchile.cl/index.php/RMCH/article/view/12791. Acesso em: 1 may. 2024.