Columbia subject headings:
Harvard subject headings:
Balkan Peninsula--Commerce--Periodicals.
Balkan Peninsula--Foreign economic relations--Periodicals.
Europe, Central--Commerce--Periodicals.
Europe, Central--Foreign economic relations--Periodicals.
Europe, Eastern--Commerce--Periodicals.
Europe, Eastern--Foreign economic relations--Periodicals.
Turkey--Commerce--Periodicals.
Turkey--Foreign economic relations--Periodicals.
Princeton subject headings:
Balkan Peninsula--Commerce--Periodicals.
Balkan Peninsula--Foreign economic relations--Periodicals.
Europe, Central--Commerce--Periodicals.
Europe, Central--Foreign economic relations--Periodicals.
Europe, Eastern--Commerce--Periodicals.
Europe, Eastern--Foreign economic relations--Periodicals.
Periodicals.
Turkey--Commerce--Periodicals.
Turkey--Foreign economic relations--Periodicals.