00570naa#a2200181#i#450# EN\\bibl\5885 /en/manage/index 20241204033449.3 1999-5644 20150615b2015####ek#y0engy0150####ca RUS RU The structure of the educational model in tourism: a theoretical basis Journal article CHERKIZOVO Russian State University of Tourism and Service 2015 6 с. Journal article local Sakharchuk Elena Sergeevna test.editorum.ru /en/manage/index