00529naa#a2200181#i#450# EN\\bibl\1490 20240425161929.4 1993-7768 20140315b2014####ek#y0engy0150####ca RUS RU Typology of Problem Regions in Russian and Abroad Journal article CHERKIZOVO Russian State University of Tourism and Service 2014 4 с. Journal article local Krivko Sergey Telenkova Olga philosoph.editorum.ru