00614naa#a2200181#i#450# EN\\bibl\17928 20240417082121.3 1995-0411 20170904b2017####ek#y0engy0150####ca RUS RU CLIENT-ORIENTED OPTIMIZATION OF ACTIVE TOURISM PROPERTIES Journal article CHERKIZOVO Russian State University of Tourism and Service 2017 9 с. Journal article local Туристско-экскурсионное обслуживание. 71.37 grnti Dyachenko Aleksandr spst-journal.editorum.ru