Solov’eva T.S., Shabunova A.A. Middle class in the regions of the Northwestern Federal District: expanded reproduction capabilities. Economic and Social Changes: Facts, Trends, Forecast, 2014, no. 4 (34), pp. 113-129. DOI: 10.15838/esc/2014.4.34.10
DOI: 10.15838/esc/2014.4.34.10
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