00515naa#a2200169#i#4500001001400000005001700014011001400031100004100045101000800086102000700094200009300101210007000194215001000264608002700274700002200301856002200323EN\\bibl\811620240502195343.4##a1999-5644##a20151201b2015####ek#y0engy0150####ca0#aRUS##aRU1#aEssence of the concept «educational tourism» and its basic principleseJournal article1#aCHERKIZOVOcRussian State University of Tourism and Serviced2015##a5 с.##aJournal article2local#1aGuseynovagAlena 4#arguts.editorum.ru