Columbia subject headings:
Arab countries--Economic conditions.
Arab countries--Population.
Capitalism--Arab countries.
Labor market--Arab countries.
Urbanization--Arab countries.
Harvard subject headings:
Arab countries--Economic conditions.
Arab countries--Population.
Capitalism--Arab countries.
Labor market--Arab countries.
Urbanization--Arab countries.
Princeton subject headings:
Arab countries--Economic conditions.
Arab countries--Population.
Capitalism--Arab countries.
Labor market--Arab countries.
Urbanization--Arab countries.