ARISPE Y ACEVEDO, Baltazar. The Geographic and Demographic Challenges To the Regional Institutionalization Of the Texas Lower Rio Grande Valley. Norteamérica, Revista Académica del CISAN-UNAM, [S. l.], v. 4, n. 02, 2010. DOI: 10.22201/cisan.24487228e.2009.02.24. Disponível em: https://www.revistanorteamerica.unam.mx/index.php/nam/article/view/24. Acesso em: 30 apr. 2025.