CEDERGREN, M. Open content and value creation. First Monday, [S. l.], v. 8, n. 8, 2003. DOI: 10.5210/fm.v8i8.1071. Disponível em: https://journals.uic.edu/ojs/index.php/fm/article/view/1071. Acesso em: 1 oct. 2022.