TY JOUR TI Determining the Size of the Middle Class in Russia Based on a Set of Criteria "Level of Education – Professional Status» KW middle class of society KW criteria for identifying the middle class KW signs of the middle class KW income level of the population KW level of education of employees KW professional portrait of the middle class JO Scientific Research and Development. Economics AU Guzakova, O.L. AU Tulina, T.M. PY 2020 IS 8 PB INFRA-M Academic Publishing LLC.