Columbia subject headings:
Concessions--Developing countries.
Investments, Foreign--Developing countries.
Mineral industries--Developing countries.
Harvard subject headings:
Concessions--Developing countries.
Developing countries--Concessions.
Developing countries--Investments, Foreign.
Developing countries--Mineral industries.
Investments, Foreign--Developing countries.
Mineral industries--Developing countries
Princeton subject headings:
Concessions--Developing countries.
Investments, Foreign--Developing countries.
Mineral industries--Developing countries.