Columbia subject headings:
Algeria--Emigration and immigration.
France--Emigration and immigration.
Labor supply--Algeria.
Return migration--Algeria.
Harvard subject headings:
Algeria--Emigration and immigration.
France--Emigration and immigration.
Labor supply--Algeria.
Return migration--Algeria.
Princeton subject headings:
Algeria--Emigration and immigration.
France--Emigration and immigration.
Labor supply--Algeria.
Return migration--Algeria.