Columbia subject headings:
Labor supply--Africa, North.
Manpower policy--Africa, North.
Occupational training--Africa, North.
Harvard subject headings:
Labor supply--Africa, North.
Manpower policy--Africa, North.
Occupational training--Africa, North.
Princeton subject headings:
Africa, North--Economic integration.
Labor supply--Africa, North.
Migration, Internal--Africa, North.
Occupational training--Africa, North.