The German Bundesliga Internet Broadcasting Rights Selling Model – Historical Study. GYMNASIUM, [S. l.], v. 20, n. 1, p. 41–46, 2019. DOI: 10.29081/gsjesh.2019.20.1.03. Disponível em: https://gymnasium.ub.ro/index.php/journal/article/view/536. Acesso em: 4 apr. 2025.