EDITORIAL, C. Conciertos del Instituto de Extensión Musical. Revista Musical Chilena, [S. l.], v. 25, n. 115-1, p. p. 71 – 73, 1971. Disponível em: https://rchdt.uchile.cl/index.php/RMCH/article/view/1612. Acesso em: 28 abr. 2024.