00597naa#a2200181#i#4500001001500000005001700015011001400032100004100046101000800087102000700095200007100102210007000173215001000243608002700253686008900280700002400369856002200393EN\\bibl\1981620240519022303.7##a1999-5644##a20180119b2018####ek#y0engy0150####ca0#aRUS##aRU1#aTHE PROCESS OF REGRESS IN THE SYSTEM OF EDUCATIONeJournal article1#aCHERKIZOVOcRussian State University of Tourism and Serviced2018##a3 с.##aJournal article2local##aТуристско-экскурсионное обслуживание. 71.372grnti#1aMorozovgVasilii V.4#arguts.editorum.ru