Columbia subject headings:
Arab countries--Economic conditions--Congresses.
Industrial development projects--Arab countries--Congresses.
Industries--Arab countries--Congresses.
Harvard subject headings:
Arab countries--Economic conditions--Congresses.
Industrial development projects--Arab countries--Congresses.
Industries--Arab Countries--Congresses.
Princeton subject headings:
Arab countries--Economic conditions--Congresses.
Industrial development projects--Arab countries--Congresses.
Industries--Arab countries--Congresses.