Columbia subject headings:
Central Chernozem Region (Russia)--Economic policy.
Industries--Russia (Federation)--Central Chernozem Region.
Harvard subject headings:
Central Chernozem Region (Russia)--Economic policy.
Industries--Russia (Federation)--Central Chernozem Region.
Princeton subject headings:
Central Chernozem Region (Russia)--Economic policy.
Industries--Russia (Federation)--Central Chernozem Region.