Columbia subject headings:
Harvard subject headings:
Africa, Eastern--Economic integration.
Africa, Southern--Economic integration.
Common Market for Eastern and Southern Africa.
Foreign trade regulation--Africa, Eastern.
Foreign trade regulation--Africa, Southern.
Free trade--Africa, Eastern.
Free trade--Africa, Southern.
Princeton subject headings:
Africa, Eastern--Economic integration.
Africa, Southern--Economic integration.
Common Market for Eastern and Southern Africa.
Foreign trade regulation--Africa, Eastern.
Foreign trade regulation--Africa, Southern.
Free trade--Africa, Eastern.
Free trade--Africa, Southern.