Columbia subject headings:
Foreign trade regulation--Periodicals.
International agencies--Periodicals.
International economic relations--Periodicals.
World Trade Organization--Periodicals.
Harvard subject headings:
Commercial policy--Periodicals
Foreign trade regulation--Periodicals
International economic relations--Periodicals
International trade--Periodicals
World Trade Organization--Periodicals.
Princeton subject headings:
International trade--Periodicals.
Periodicals.