Columbia subject headings:
Industries--Mexico--Mexico (State)
Mexico (Mexico : State)--Commerce--North America.
North America--Commerce--Mexico--Mexico (State)
North American Free Trade Agreement
Harvard subject headings:
Free trade--North America
Industries--Mexico--Mexico (State).
Mexico (Mexico : State)--Commerce--North America.
Mexico (Mexico : State)--Commerce.
North America--Commerce--Mexico--Mexico (State)
North American Free Trade Agreement
Princeton subject headings: