Columbia subject headings:
Mediterranean Region--Economic integration--Congresses.
Middle East--Economic integration--Congresses.
Turkey--Economic conditions--1960---Congresses.
Harvard subject headings:
Mediterranean Region--Economic integration--Congresses.
Middle East--Economic integration--Congresses.
Turkey--Economic conditions--1960---Congresses.
Princeton subject headings:
Mediterranean Region--Economic integration--Congresses.
Middle East--Economic integration--Congresses.
Turkey--Economic conditions--1960---Congresses.