GIRÃO-SILVA, Rita; CRAVEIRINHA, José; CLÍMACO, João. Hierarchical Multiobjective Routing Model in MPLS Networks with Two Service Classes – A Comparison Case Study. Journal of Telecommunications and Information Technology, Warsaw, Poland, v. 48, n. 2, p. 29–42, 2012. DOI: 10.26636/jtit.2012.2.1262. Disponível em: https://jtit.pl/jtit/article/view/1262. Acesso em: 13 jun. 2026.