OLUBIYI, IA. Imposition of a copyright levy in Nigeria: legal justifications and comparative analysis. Journal of Sustainable Development Law and Policy, [S. l.], v. 4, n. 1, p. 87–104, 2015. Disponível em: https://jsdlp.ogeesinstitute.org/jsdlp/article/view/51. Acesso em: 17 jun. 2026.