Columbia subject headings:
Periodicals.
Statistics.
Turkey--Commerce--Statistics--Periodicals.
Turkey--Foreign economic relations--Statistics--Periodicals.
Harvard subject headings:
Turkey--Commerce--Statistics--Periodicals.
Turkey--Foreign economic relations--Statistics--Periodicals.
Princeton subject headings:
Periodicals.
Statistics.
Turkey--Commerce--Statistics--Periodicals.
Turkey--Foreign economic relations--Statistics--Periodicals.