00710naa#a2200205#i#450# EN\\bibl\16911 20240430040327.2 1993-7768 20170704b2017####ek#y0engy0150####ca RU Travel agencies in competition with modern online-booking services Journal article CHERKIZOVO Russian State University of Tourism and Service 2017 6 с. Journal article local Туристско-экскурсионное обслуживание. 71.37 grnti Ukhina Tat’yana V. Shabakov Aleksei A. Snegova Kseniya V. Kul’beikin Aleksei S. rguts.editorum.ru