00579naa#a2200169#i#450# EN\\bibl\82166 20250311231636.2 2221-3260 20230531b2023####ek#y0engy0150####ca RU On the formation of a quadrilateral model for ensuring the functioning of socially oriented non-profit organizations Journal article Yaroslavl Yaroslavl State Technical University 2023 8 с. Journal article local Morozova Irina Anatolievna Dmitriev Aleksey Sergeevich comincon.ru