Columbia subject headings:
Developing countries--Commerce.
Exports--Developing countries.
Industries--Developing countries.
Manufactures.
Manufacturing industries--Developing countries.
Harvard subject headings:
Developing countries--Commerce.
Exports--Developing countries
Industries--Developing countries
Manufactures--Developing countries.
Manufacturing industries--Developing countries
Princeton subject headings:
Developing countries--Commerce.
Exports--Developing countries.
Industries--Developing countries.
Manufacturing industries--Developing countries.