00523naa#a2200169#i#450# EN\\bibl\11917 20241020035537.7 1995-042X 20160616b2016####ek#y0engy0150####ca RUS RU The possibility of cooperation of tourism companies with the cruise tour operators Journal article CHERKIZOVO Russian State University of Tourism and Service 2016 13 с. Journal article local Stakhova Lyudmila naukaru.ru