00481naa#a2200169#i#450# EN\\bibl\11735 20200124080110.5 1993-7768 20160704b2016####ek#y0engy0150####ca RUS RU System synthesis of the agritourism category Article CHERKIZOVO Russian State University of Tourism and Service 2016 8 с. Article local Dyachenko Aleksandr philosoph.editorum.ru