00562naa#a2200169#i#450# EN\\bibl\1910 20240520091826.1 2222-7962 20140421b2014####ek#y0engy0150####ca RUS RU Incomes of the population as a base of class affiliation Journal article Voronezh FSBE Institution of Higher Education Voronezh State University of Forestry and Technologies named after G.F. Morozov 2014 5 с. Journal article local Vasileva Svetlana naukaru.ru