Creating global leaders with sustainability mindsets - insights from the RMSSN Summer Academy / Ulrike Gretzel ... [et al.]. - 2014. // Journal of teaching in travel & tourism : the official journal of ISTTE - International Society of Travel and Tourism Educators. Vol. 14 (2014), No. 2
Gretzel, Ulrike. Real stories about real women: communicating role models for female tourism students / Ulrike Gretzel, Gillian Bowser. - 2013. // Journal of teaching in travel & tourism : the official journal of ISTTE - International Society of Travel and Tourism Educators. Vol. 13 (2013), No. 2
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