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. CICE [Internet]. 30 de junio de 2011 [citado 19 de abril de 2024];1(81). Disponible en: https://revistasice.com/index.php/CICE/article/view/6010