00509naa#a2200169#i#450# EN\\bibl\4945 20241221055223.6 1999-5644 20150310b2015####ek#y0engy0150####ca RUS RU Efficiency-improving technologies for tourism activities in municipalities Journal article CHERKIZOVO Russian State University of Tourism and Service 2015 0 с. Journal article local Lagusev Yuriy naukaru.ru