00617naa#a2200181#i#450# EN\\bibl\7814 /en/manage/index 20250401152421.2 2308-8877 20151115b2015####ek#y0engy0150####ca RUS RU Preconditions for the development of ecotourism in Russia Journal article Voronezh FSBE Institution of Higher Education Voronezh State University of Forestry and Technologies named after G.F. Morozov 2015 3 с. Journal article local FilichkinaM Maria test.editorum.ru /en/manage/index