Columbia subject headings:
Harvard subject headings:
Arab countries--Research--Congresses.
Evaluation research (Social action programs)--Arab countries--Congresses.
Social sciences--Research--Arab countries--Congresses.
Social surveys--Arab countries--Congresses.
Princeton subject headings:
Arab countries--Research--Congresses.
Evaluation research (Social action programs)--Arab countries--Congresses.
Social sciences--Research--Arab countries--Congresses.
Social surveys--Arab countries--Congresses.