VALLADARES HERNÁNDEZ, Gina María; CALDERÓN TORRES, Alejandro Josué. Factors that characterize gray traffic in mobile phone companies. Innovare: Revista de ciencia y tecnología, [S. l.], v. 4, n. 1, p. 1–17, 2015. DOI: 10.5377/innovare.v4i1.2298. Disponível em: https://camjol.info/index.php/INNOVARE/article/view/2298. Acesso em: 15 apr. 2025.