検索結果 - Gretzel, Ulrike

Information and Communication Technologies in Tourism 2010 Proceedings of the International Conference in Lugano, Switzerland, February 1012, 2010 / 著者: Gretzel, Ulrike

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Information and Communication Technologies in Tourism 2008 Proceedings of the International Conference in Innsbruck, Austria, 2008 / 著者: OConnor, Peter

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Information and Communication Technologies in Tourism 2009 Proceedings of the International Conference in Amsterdam, The Netherlands, 2009 / 著者: Hpken, Wolfram

その他の著者: “…Gretzel, Ulrike…”
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