Columbia subject headings:
Foreign trade regulation.
General Agreement on Tariffs and Trade (Organization)
International trade.
Tariff--Law and legislation.
World Trade Organization.
Harvard subject headings:
Foreign trade regulation.
General Agreement on Tariffs and Trade (Organization)
International law.
International trade.
Tariff--Law and legislation.
World Trade Organization
Princeton subject headings:
Foreign trade regulation.
General Agreement on Tariffs and Trade (Organization)
Tariff--Law and legislation.
World Trade Organization.