Columbia subject headings:
Africa, North--Commerce.
Africa, North--Foreign economic relations--European Economic Community countries.
European Economic Community--Foreign economic relations--Africa, North.
Harvard subject headings:
Africa, North--Commerce.
Africa, North--Foreign economic relations--European Economic Community countries.
European Economic Community--Foreign economic relations--Africa, North.
Princeton subject headings:
Africa, North--Commerce.
Africa, North--Foreign economic relations--European Economic Community.
European Economic Community--Foreign economic relations--Africa, North.