Ekonomické obory
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World Tourism Organization; United Nations Environment Programme
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Kent, Alexander
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Sharpe, Norean R.
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Aitken, Robin
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Murdock, Alexander; Scutt, Carol N.
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Amin, Galal A.
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Stephen P. Anderson
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Macaes, Bruno
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Preston, Paul
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Paul Collier
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Tomasini, Emilio; Jaekle, Urban
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Thornton, Phil
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Midler Paul
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Pfannebecker, Mareile; Smith, J. A.
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Lewis, Jovan Scott
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Taylor Phil
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Osborne, Jo; Fardon, Michael
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De Filippi, Primavera
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Vandana Shiva
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Hannam, James