π-Economy
π-Economy
Peter the Great St. Petersburg Polytechnic University
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ISSN 2782-6015
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Ludnikova Valeriya V.
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Ludnikova Valeriya V.
valeria_lud@mail.ru
Problems of sustainable development of tourists enterprise structures (on example of St. Petersburg)
Regional and branch economy
Ludnikova V.V.
Year: 2013
Issue: 2
414
5361
Pages: 55-58
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