HERGUERA GARCÍA, I.; GARCÍA MARIÑOSO, B.; SUÁREZ, D. Measuring prices in the electronic communications market: some thoughts about non-linear tariffs for mobile phone calls. Cuadernos Económicos de ICE, [S. l.], v. 1, n. 81, 2011. DOI: 10.32796/cice.2011.81.6010. Disponível em: http://www.revistasice.com/index.php/CICE/article/view/6010. Acesso em: 18 ene. 2022.