00502naa#a2200169#i#450# EN\\bibl\4919 20240508172618.3 1995-0411 20150311b2015####ek#y0engy0150####ca RUS RU Stages of the Crimea’s tourist services development Journal article CHERKIZOVO Russian State University of Tourism and Service 2015 8 с. Journal article local Afanasev Oleg spst-journal.editorum.ru