Columbia subject headings:
Africa, East--Economic conditions.
Food supply--Africa, East.
Food supply--Middle East.
Middle East--Economic conditions.
Natural resources--Africa, East--Management.
Natural resources--Middle East--Management.
Harvard subject headings:
Africa, East--Economic conditions.
Agriculture and state--Africa, East.
Agriculture and state--Middle East.
Food supply--Africa, East.
Food supply--Middle East.
Middle East--Economic conditions.
Natural resources--Africa, East--Management.
Natural resources--Middle East--Management.
Princeton subject headings: