00718naa#a2200193#i#450# EN\\bibl\19086 20240420192117.6 1995-0411 20171129b2017####ek#y0engy0150####ca RUS RU THE CONCEPT OF «ECOLOGICAL TOURISM» IN THE WORLD AND RUSSIAN PRACTICE: COMPARATIVE ANALYSIS AND CASES Journal article CHERKIZOVO Russian State University of Tourism and Service 2017 19 с. Journal article local Туристско-экскурсионное обслуживание. 71.37 grnti Afanasev Oleg Evgen'evich Afanaseva Aleksandra Vladislavovna spst-journal.editorum.ru