00591naa#a2200169#i#4500001001500000005001700015011001400032100004100046102000700087200008600094210007000180215001000250608002700260686008900287700003100376856001400407EN\\bibl\1727320241128134132.4##a1995-0411##a20170628b2017####ek#y0engy0150####ca##aRU1#aTourism and service in the historical cities: current challengeseJournal article1#aCHERKIZOVOcRussian State University of Tourism and Serviced2017##a1 с.##aJournal article2local##aТуристско-экскурсионное обслуживание. 71.372grnti#1aAfanasevgOleg Evgen'evich4#azh-szf.ru