VAN SCHALKWYK, G. Music as an agent to human development: a systems approach. Acta Academica: Critical views on society, culture and politics, [S. l.], v. 33, n. 1, p. 45–64, 2001. DOI: 10.38140/aa.v33i1.632. Disponível em: https://journals.ufs.ac.za/index.php/aa/article/view/632. Acesso em: 7 apr. 2025.