00575naa#a2200181#i#450# EN\\bibl\3415 20241108223054.5 1999-5644 20140902b2014####ek#y0engy0150####ca RUS RU On specific of double degree undergraduate programmes at the russian state university of tourism and service Journal article CHERKIZOVO Russian State University of Tourism and Service 2014 8 с. Journal article local Suslova Irina Smit Natalya zh-szf.ru