Columbia subject headings:
Export processing zones--Mexican-American Border Region.
Free trade--Mexico.
Free trade--North America.
North America--Commercial treaties.
North American Free Trade Agreement
Offshore assembly industry--Mexican-American Border Region.
Harvard subject headings:
North American Free Trade Agreement
Offshore assembly industry--Mexico.
Princeton subject headings:
Export processing zones--Mexican-American Border Region.
Free trade--Mexico.
Free trade--North America.
North America--Commercial treaties.
North American Free Trade Agreement
Offshore assembly industy--Mexican-American Border Region.