Rezultaty - Gretzel, Ulrike

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

Dokumenty pełnotekstowe

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

Kolejni autorzy: “…Gretzel, Ulrike…”
Dokumenty pełnotekstowe

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

Kolejni autorzy: “…Gretzel, Ulrike…”
Dokumenty pełnotekstowe