00535naa#a2200181#i#450# EN\INFRA-M\bibl\12738 /en/manage/index 20251012135245.7 2587-9111 20161010b2016####ek#y0engy0150####ca RUS RU Internet marketing complex to promote tourism business Journal article Moscow INFRA-M Academic Publishing LLC. 2016 5 с. Journal article local Ostapchuk Aleksey test.editorum.ru /en/manage/index