INTVEEN, A. Musical Instruments in Anthroposophical Music Therapy with Reference to Rudolf Steiner’s Model of the Threefold Human Being. Voices: A World Forum for Music Therapy, [S. l.], v. 7, n. 3, 2007. DOI: 10.15845/voices.v7i3.547. Disponível em: https://voices.no/index.php/voices/article/view/1736. Acesso em: 3 may. 2024.