• 2 Journals, Magazines, Newspapers

• 2 Relations
• 1 Boundaries
• 1 Economic conditions
• 1 Foreign relations
• 1 Social conditions

• 1 Colegio de la Frontera Norte (Tijuana, Baja California, Mexico)
• 1 Universidad Autónoma de Baja California. Instituto de Investigaciones Sociales

• 2 English
• 2 Spanish

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