DMLRid – An XML-Based Proof-of-Concept Mobile DRM Framework for Sharing Learning Contents among Mobile Networks . International Journal of Information and Electronics Engineering, [S. l.], v. 3, n. 2, p. 180–184, 2013. Disponível em: https://ijiee.org/index.php/ijiee/article/view/653. Acesso em: 14 jul. 2026.