Columbia subject headings:
Agriculture--Economic aspects--Developing countries.
Farmers--Developing countries.
Green Revolution--Developing countries.
Rural poor--Developing countries.
Harvard subject headings:
Agriculture--Economic aspects--Developing countries
Developing countries--Food industry and trade.
Economic assistance.
Farmers--Developing countries.
Green Revolution--Developing countries.
Rural poor--Developing countries.
Princeton subject headings:
Agriculture--Economic aspects--Developing countries.
Farmers--Developing countries.
Green Revolution--Developing countries.
Rural poor--Developing countries.