00637naa#a2200181#i#450# EN\INFRA-M\bibl\52679 20251209125718.2 2500-0500 20220907b2022####ek#y0engy0150####ca RU The mechanism of offset contracts in the service sector is relevant for the implementation of social projects Journal article Moscow INFRA-M Academic Publishing LLC. 2022 3 с. Journal article local Демография. Социология. Статистика. 31 Podoprosvetova N. I. Vorotnikov A. M. zh-szf.ru