Columbia subject headings:
Developing countries--Economic conditions.
Economic development.
Income distribution--Developing countries.
Income distribution.
Poor--Developing countries.
Poor.
Wealth--Developing countries.
Wealth.
Harvard subject headings:
Developing countries--Economic conditions.
Economic development.
Income distribution--Developing countries.
Income distribution.
Poor--Developing countries
Poor.
Wealth--Developing countries.
Wealth.
Princeton subject headings:
Developing countries--Economic conditions.
Economic development.
Income distribution--Developing countries.
Income distribution.
Poor--Developing countries.
Poor.
Wealth--Developing countries.
Wealth.