00538naa#a2200169#i#450# EN\\bibl\4989 20250226165746.3 1995-042X 20141215b2014####ek#y0engy0150####ca RUS RU Coordination mechanism as a factor for improving the socio-economic efficiency of tourist activities Journal article CHERKIZOVO Russian State University of Tourism and Service 2014 12 с. Journal article local Rubtsova Natalya zh-szf.ru