00516naa#a2200169#i#450# EN\\bibl\4927 20260203203400.2 1995-0411 20150311b2015####ek#y0engy0150####ca RUS RU Tourist service in Crimea over of soviet period: problems and solutions Journal article CHERKIZOVO Russian State University of Tourism and Service 2015 9 с. Journal article local Popov Aleksey Dmitrievich zh-szf.ru