Columbia subject headings:
Economic development--Research--Arab countries--Directories.
Economic development--Study and teaching--Arab countries--Directories.
Social sciences--Research--Arab countries--Directories.
Social sciences--Study and teaching--Arab countries--Directories.
Harvard subject headings:
Economic development--Research--Arab countries--Directories.
Economic development--Study and teaching--Arab countries--Directories.
Social sciences--Research--Arab countries--Directories.
Social sciences--Study and teaching--Arab countries--Directories.
Princeton subject headings: