00590naa#a2200181#i#450# EN\\bibl\13569 20240515134723.3 2071-7318 20161025b2016####ek#y0engy0150####ca RUS RU ESSENCE, CHARACTERISTICS AND CHALLENGES OF ORGANIZATIONAL-LEGAL FORMS OF PPP IN RUSSIA Journal article Belgorod Belgorod State Technological University named after V.G. Shukhov 2016 6 с. Journal article local Gerasimenko Olga Avilova Zhanna bulletinbstu.editorum.ru