00612naa#a2200181#i#450# EN\\bibl\37281 20241222035959.7 2500-3372 20200423b2020####ek#y0engy0150####ca RU New Promotion Technologies and Business Management: the case of Airline Ticket Agencies Journal article Kemerovo Kemerovo State University 2020 8 с. Journal article local Emel'yanovich Anzhelika Aleksandrovna Udartsev Alexander Dobroslavovich Kravchenko Efim Aleksandrovich vestnik-pses.kemsu.ru