00626naa#a2200193#i#450# EN\\bibl\7963 20240518232246.6 1995-042X 20151126b2015####ek#y0engy0150####ca RUS RU Improvement of the effectiveness of ski resorts in Moscow region on the basis of the foreign experience Journal article CHERKIZOVO Russian State University of Tourism and Service 2015 8 с. Journal article local Abesadze Timur Ermakov Aleksandr Pimenov Ivan service-rusjournal.editorum.ru