00557naa#a2200169#i#450# EN\RIOR\bibl\47644 20260316062740.1 2409-6024 20211211b2021####ek#y0engy0150####ca RU DIFFERENTIATION IN THE SOCIAL DEVELOPMENT OF RURAL AREAS Journal article Moscow Publishing Center RIOR 2021 4 с. Journal article local Общие вопросы сельского хозяйства. 631 Van'kov Igor' Aleksandrovich build-pro.editorum.ru