00664naa#a2200193#i#450# EN\\bibl\20865 20240509154556.4 1993-7768 20180504b2018####ek#y0engy0150####ca RUS RU Development of the digital service economy and its impact on the labor market Journal article CHERKIZOVO Russian State University of Tourism and Service 2018 7 с. Journal article local Туристско-экскурсионное обслуживание. 71.37 grnti Morozov Mikhail A. Morozova Natal'ya Stepanovna naukaru.ru