Columbia subject headings:
Economic development--Environmental aspects--Developing countries.
Environmental policy--Developing countries.
Natural resources--Developing countries.
Harvard subject headings:
Developing countries--Economic conditions.
Economic development--Environmental aspects
Economic development--Environmental aspects--Developing countries.
Environmental policy--Developing countries
Natural resources--Developing countries
Sustainable development--Developing countries
Princeton subject headings:
Economic development--Environmental aspects--Developing countries.
Environmental policy--Developing countries.
Natural resources--Developing countries.