Columbia subject headings:
Democratization--Arab countries.
Islam--21st century.
Revolutions--Arab countries.
Social movements--Arab countries.
Harvard subject headings:
Democratization--Arab countries.
Islam--21st century
Revolutions--Arab countries.
Social movements--Arab countries.
Princeton subject headings:
Democratization--Arab countries.
Islam--21st century.
Revolutions--Arab countries.
Social movements--Arab countries.