00733naa#a2200205#i#450# EN\\bibl\29225 20240515121520.3 2071-7318 20160725b2016####ek#y0engy0150####ca RU SYSTEM FACTORS AND CAUSES OF TURBULENCE AS A MEASURE OF RANDOMNESS AND UNCERTAINTY OF DEVELOPMENT OF ECONOMY Journal article Belgorod Belgorod State Technological University named after V.G. Shukhov 2016 6 с. Journal article local Экономика. Экономические науки. 33 Schetinina E.D. Kucheryavenko S.A. Klimova T.B. Konnova A.V. bulletinbstu.editorum.ru