L. BRITO, Dagobert; ROSELLÓN, Juan. Regulation of gas marketing activities in Mexico. Estudios Económicos de El Colegio de México, [S. l.], v. 18, n. 1, p. 15–35, 2003. DOI: 10.24201/ee.v18i1.189. Disponível em: https://estudioseconomicos.colmex.mx/index.php/economicos/article/view/189. Acesso em: 21 apr. 2025.