00510naa#a2200181#i#4500001001500000005001700015011001400032100004100046101000800087102000700095200002000102210003700122215001000159608002700169675008100196700003600277856001500313EN\\bibl\7491620241122023951.5##a2413-046X##a20190325b2019####ek#y0engy0150####ca0#aENG##aRU1#eJournal article1#aMoscowcElectronic scienced2019##a0 с.##aJournal article2local##aСфера услуг. Экономика сферы услуг. 338.46zENG#1aGavrilovgGerman Aleksandrovich4#aecience.ru