00572naa#a2200181#i#450# EN\\bibl\4016 20250113052227.1 1999-5644 20141203b2014####ek#y0engy0150####ca RUS RU Conflict as a factor of students´ professional motivation in tourist higher education Journal article CHERKIZOVO Russian State University of Tourism and Service 2014 6 с. Journal article local Vorobeva Marina Churilova Irina vestnik-rguts.editorum.ru