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Regional Research of Russia > 2016 > 6 > 2 > 131-143
Bulletin of Geography. Socio-economic Series > 2013 > 20 > 20 > 113-120
Regional Research of Russia > 2016 > 6 > 2 > 131-143
Bulletin of Geography. Socio-economic Series > 2013 > 20 > 20 > 113-120