ARABAS, Piotr; KAMOLA, Mariusz. Dynamic Contracting of IP Services – System Architecture and Prototype. Journal of Telecommunications and Information Technology, Warsaw, Poland, v. 44, n. 2, p. 43–52, 2011. DOI: 10.26636/jtit.2011.2.1144. Disponível em: https://www.jtit.pl/jtit/article/view/1144. Acesso em: 9 oct. 2026.