00643naa#a2200181#i#4500001001500000005001700015011001400032100004100046102000700087200008100094210007000175215001000245608002700255686008900282700003100371700003700402856002200439EN\\bibl\1608120240519012705.7##a1999-5644##a20170620b2017####ek#y0engy0150####ca##aRU1#aEducational discourse: Concept «CORE HIGH SCHOOL SUBJECT»eJournal article1#aCHERKIZOVOcRussian State University of Tourism and Serviced2017##a8 с.##aJournal article2local##aТуристско-экскурсионное обслуживание. 71.372grnti#1aPen'kovgBoris Viktorovich#1aVasil'evagSvetlana Vladimirovna4#arguts.editorum.ru