Columbia subject headings:
Arab countries--Emigration and immigration--Congresses.
Brain drain--Arab countries--Congresses.
Manpower--Arab countries--Congresses.
Harvard subject headings:
Arab countries--Emigration and immigration--Congresses.
Brain drain--Arab countries--Congresses.
Manpower--Arab countries--Congresses.
Princeton subject headings:
Arab countries--Emigration and immigration--Congresses.
Brain drain--Arab countries--Congresses.
Manpower--Arab countries--Congresses.