RAUEN, Cristiane Vianna. Competition and Diffusion of Telecommunication Services: The Multimedia Communication Services in Brazil. Journal of Telecommunications and Information Technology, Warsaw, Poland, v. 50, n. 4, p. 22–30, 2012. DOI: 10.26636/jtit.2012.4.1287. Disponível em: https://www.jtit.pl/jtit/article/view/1287. Acesso em: 17 jun. 2026.