GNU GPL 2.0 and 3.0: obligations to include license text, and provide source code. Journal of Open Law, Technology & Society, [S. l.], v. 2, n. 1, p. 7–12, 2010. Disponível em: https://www.jolts.world/index.php/jolts/article/view/31. Acesso em: 25 nov. 2025.