00631naa#a2200193#i#450# EN\\bibl\19865 20240429064350.1 1995-042X 20180123b2018####ek#y0engy0150####ca RUS RU ECOLOGICAL TOURISM IN URBANIZED AREAS Journal article CHERKIZOVO Russian State University of Tourism and Service 2018 13 с. Journal article local Туристско-экскурсионное обслуживание. 71.37 grnti MISHECHKIN Gennady V. GOLUBNICHAYA Svetlana N. rguts.editorum.ru