00569naa#a2200169#i#450# EN\INFRA-M\bibl\105665 20260130101909.5 2587-6295 20250925b2025####ek#y0engy0150####ca RU Estates as new socio-professional 
groups in Russia Journal article Moscow INFRA-M Academic Publishing LLC. 2025 14 с. Journal article local Политика. 32 Социальная стратификация. 316.443 Privalov Nikolay Gennad'evich naukaru.ru