Columbia subject headings:
Omskai︠a︡ oblastʹ (Russia)--Administrative and political divisions.
Omskai︠a︡ oblastʹ (Russia)--Economic policy.
Regional planning--Russia (Federation)--Omskai︠a︡ oblastʹ.
Harvard subject headings:
Princeton subject headings:
Omskai︠a︡ oblastʹ (Russia)--Administrative and political divisions.
Omskai︠a︡ oblastʹ (Russia)--Economic policy.
Regional planning--Russia (Federation)--Omskai︠a︡ oblastʹ.