Columbia subject headings:
Developing countries--Economic policy.
Developing countries--Environmental policy.
Developing countries--Social policy.
Social indicators--Developing countries.
Harvard subject headings:
Developing countries--Economic policy.
Developing countries--Social policy.
Environmental policy--Developing countries
Social indicators--Developing countries.
Princeton subject headings:
Developing countries--Economic policy.
Developing countries--Social policy.
Environmental policy--Developing countries.
Social indicators--Developing countries.