Columbia subject headings:
Harvard subject headings:
Africa, Sub-Saharan--Economic conditions
Africa, Sub-Saharan--Foreign economic relations.
Economic development--Political aspects--Africa, Sub-Saharan.
Economic development--Social aspects--Africa, Sub-Saharan.
Princeton subject headings:
Africa, Sub-Saharan--Economic conditions.
Africa, Sub-Saharan--Foreign economic relations.
Economic development--Political aspects--Africa, Sub-Saharan.
Economic development--Social aspects--Africa, Sub-Saharan.