Columbia subject headings:
Africa, Sub-Saharan--Commerce.
Africa, Sub-Saharan--Economic conditions--1960-
Industries--Africa, Sub-Saharan.
Investments, Foreign--Africa, Sub-Saharan.
Investments--Africa, Sub-Saharan.
Harvard subject headings:
Princeton subject headings:
Africa, Sub-Saharan--Commerce.
Africa, Sub-Saharan--Economic conditions.
Economic assistance--Africa, Sub-Saharan.
Investments, Foreign--Africa, Sub-Saharan.