Columbia subject headings:
Samsun İli (Turkey)--Commerce.
Samsun İli (Turkey)--Economic conditions.
Harvard subject headings:
Samsun İli (Turkey)--Commerce.
Samsun İli (Turkey)--Directories.
Samsun İli (Turkey)--Economic conditions.
Princeton subject headings:
Samsun İli (Turkey)--Commerce.
Samsun İli (Turkey)--Economic conditions.