TIRADO, J. A. The Mexican fixed national long distance market: evidence of monopoly power. EconoQuantum, [S. l.], v. 1, n. 2, p. 103–123, 2005. DOI: 10.18381/eq.v1i2.176. Disponível em: https://econoquantum.cucea.udg.mx/index.php/EQ/article/view/176. Acesso em: 3 may. 2024.