Columbia subject headings:
Harvard subject headings:
Service industries--Russia (Federation)--Tatarstan--Statistics--Periodicals.
Tatarstan (Russia)--Economic conditions--Statistics--Periodicals.
Princeton subject headings:
Periodicals.
Service industries--Russia (Federation)--Tatarstan--Statistics--Periodicals.
Statistics.
Tatarstan (Russia)--Economic conditions--Statistics--Periodicals.