Columbia subject headings:
Europe--Relations--Turkey--21st century.
Public opinion--Turkey--Bilecik İli.
Turkey--Relations--Europe--21st century.
Harvard subject headings:
Bilecik İli (Turkey)
European Union--Public opinion.
European Union--Turkey--Public opinion.
Public opinion--Turkey--Bilecik İli.
Turkey--Foreign economic relations--Public opinion.
Princeton subject headings:
Europe--Relations--Turkey--21st century.
Public opinion--Turkey--Bilecik İli.
Turkey--Relations--Europe--21st century.