00559naa#a2200169#i#450# EN\\bibl\113853 20260418002039.6 2782-4586 20260331b2026####ek#y0engy0150####ca RU Definition of the concept of «integration» of online and offline brand communications in modern business development conditions Journal article Moscow ITBO University 2026 7 с. Journal article local Bezpalova Anna Grigor'evna Legkonogikh Aleksandr zhpi.ru