Columbia subject headings:
Harvard subject headings:
Africa, Sub-Saharan--Social conditions.
Education and state--Africa, Sub-Saharan.
Education--Africa, Sub-Saharan--History.
Labor supply--Africa, Sub-Saharan.
Princeton subject headings:
Africa, Sub-Saharan--Social conditions.
Education and state--Africa, Sub-Saharan.
Education--Africa, Sub-Saharan--History.
Labor supply--Africa, Sub-Saharan.