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Статьи в сборниках
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- 2015 Management of regional clusters: basic principles of formation of tourism recreation clusters
- Una Libkovska, Inta Ozola, Kruzhalin V.I., Kirill Kruzhalin
- в сборнике 15th International Multidisciplinary Scientific Geoconference SGEM 2015. Ecology, Economics, Education and Legislation. Conference proceedings, место издания Albena, Bulgaria, том 3, с. 377-384 DOI