FRANCINE KRIEF, M. A. C. and. A Secured Service Level Negotiation In Ubiquitous Environments. International Journal of Communication Networks and Information Security (IJCNIS), [S. l.], v. 1, n. 2, 2009. DOI: 10.17762/ijcnis.v1i2.9. Disponível em: https://www.ijcnis.org/index.php/ijcnis/article/view/9. Acesso em: 30 apr. 2024.