Columbia subject headings:
Agricultural innovations--Economic aspects--Developing countries--Congresses.
Agriculture--Economic aspects--Developing countries--Congresses.
Farm income--Developing countries--Congresses.
Rural poor--Developing countries--Congresses.
Harvard subject headings:
Agricultural innovations--Economic aspects--Developing countries--Congresses.
Agriculture--Economic aspects--Developing countries--Congresses
Farm income--Developing countries--Congresses.
Rural poor--Developing countries--Congresses.
Princeton subject headings:
Agricultural innovations--Economic aspects--Developing countries--Congresses.
Agriculture--Economic aspects--Developing countries--Comgresses.
Farm income--Developing countries--Congresses.
Rural poor--Developing countries--Congresses.