Columbia subject headings:
Agricultural assistance--Developing countries--International cooperation.
Food relief--Developing countries--International cooperation.
Grain trade--Developing countries--International cooperation.
Harvard subject headings:
Agricultural assistance--Developing countries--International cooperation.
Food relief--Developing countries--International cooperation.
Grain trade--Developing countries--International cooperation.
Princeton subject headings:
Agricultural assistance--Developing countries--International cooperation.
Food relief--Developing countries--International cooperation.
Grain trade--Developing countries--International cooperation.