Columbia subject headings:
General Agreement on Tariffs and Trade
General Agreement on Tariffs and Trade (Organization)
Industrial property (International law)
Industrial property--Yemen (Republic)
Intellectual property (International law)
Intellectual property--Yemen (Republic)
Trademarks (International law)
Trademarks--Law and legislation--Yemen (Republic)
Harvard subject headings:
General Agreement on Tariffs and Trade
General Agreement on Tariffs and Trade (Organization)
Industrial property (International law)
Industrial property--Yemen (Republic)
Intellectual property (International law)
Intellectual property--Yemen (Republic)
Trademarks (International law)
Trademarks--Law and legislation--Yemen (Republic)
Princeton subject headings: