WALL, Gerry. Business model issues in the development of digital cultural content. First Monday, [S. l.], v. 8, n. 5, 2003. DOI: 10.5210/fm.v8i5.1056. Disponível em: https://firstmonday.org/ojs/index.php/fm/article/view/1056. Acesso em: 16 apr. 2024.