Columbia subject headings:
Africa--Economic conditions--21st century.
Africa--Population--Economic aspects.
Economic development--Africa.
Young adults--Africa.
Youth--Africa.
Harvard subject headings:
Africa--Economic conditions--21st century.
Africa--Population--Economic aspects.
Economic development--Africa.
Young adults--Africa.
Youth--Africa.
Princeton subject headings:
Africa--Economic conditions--21st century.
Africa--Population--Economic aspects.
Economic development--Africa.
Young adults--Africa.
Youth--Africa.