00463naa#a2200181#i#450# EN\\bibl\74306 20241124053759.7 2413-046X 20170825b2017####ek#y0engy0150####ca ENG RU Journal article Moscow Electronic science 2017 0 с. Journal article local Маркетинг. 339.138 ENG Stepanov Georgiy Vladislavovich qje.su