00548naa#a2200193#i#4500001001500000005001700015011001400032100004100046101000800087102000700095200002000102210005800122215001100180608002700191675008100218700002300299700000600322856002600328EN\\bibl\7639520250114051315.2##a2221-3260##a20140625b2014####ek#y0engy0150####ca0#aRUS##aRU1#eJournal article1#aYaroslavlcYaroslavl State Technical Universityd2014##a12 с.##aJournal article2local##aСфера услуг. Экономика сферы услуг. 338.46zRUS#1aBerendeevagAlla B#1g 4#atheoreticaleconomy.ru