Columbia subject headings:
Africa, Southern--Economic conditions.
Africa, Southern--Economic integration.
Economic forecasting--Africa, Southern.
Investments, Foreign--Africa, Southern.
Southern African Development Coordination Conference.
Harvard subject headings:
Africa, Southern--Commerce.
Africa, Southern--Economic conditions--1975-1994.
Africa, Southern--Economic integration.
Economic forecasting--Africa, Southern.
Southern African Development Coordination Conference.
Princeton subject headings: