00512naa#a2200169#i#4500001001500000005001700015011001400032100004100046101000800087102000700095200009200102210007000194215001100264608002700275700002500302856001500327EN\\bibl\1215820241205005151.4##a1995-042X##a20160921b2016####ek#y0engy0150####ca0#aRUS##aRU1#aSystematic approach to the quality assessment  of river cruise producteJournal article1#aCHERKIZOVOcRussian State University of Tourism and Serviced2016##a14 с.##aJournal article2local#1aBezrukovagNatalya  4#anaukaru.ru