Columbia subject headings:
Children--Mexico--Ciudad Juárez--Social conditions.
Children--Mexico--Tijuana (Baja California)--Social conditions.
Education--Mexico--Ciudad Juárez.
Education--Mexico--Tijuana (Baja California)
Harvard subject headings:
Children--Mexico--Ciudad Juárez--Social conditions.
Children--Mexico--Tijuana (Baja California)--Social conditions.
Education--Mexico--Ciudad Juárez.
Education--Mexico--Tijuana (Baja California)
Princeton subject headings:
Children--Mexico--Ciudad Juárez--Social conditions.
Children--Mexico--Tijuana (Baja California)--Social conditions.
Education--Mexico--Ciudad Juárez.
Education--Mexico--Tijuana (Baja California).