00632naa#a2200169#i#450# EN\INFRA-M\bibl\39561 20251224144404.3 2587-9111 20201228b2020####ek#y0engy0150####ca RU Impact of Investments in Public-Private Partnership Projects on the Level of Economic Welfare of the Russian Federation’s Federal Districts Journal article Moscow INFRA-M Academic Publishing LLC. 2020 6 с. Journal article local Экономика. Экономические науки. 33 Trashkin Ivan Sergeevich zh-szf.ru