Columbia subject headings:
Africa--Economic policy--Information services.
Africa--Economic policy.
Africa--Social policy--Information services.
Africa--Social policy.
Information services--Developing countries--Directories.
Harvard subject headings:
Africa--Economic policy--Information services.
Africa--Economic policy.
Africa--Social policy--Information services.
Africa--Social policy.
Information services--Developing countries--Directories.
Princeton subject headings:
Africa--Economic policy--Information services.
Africa--Economic policy.
Africa--Social policy--Information services.
Africa--Social policy.
Developing countries--Information services--Directories.