SCHNEIDER, P. Exploring the motivation and personality traits of adventure travelers: A hierarchical model approach: Supervisor: Dr. Christine A. Vogt, Professor, Michigan State University Institution awarding the Ph. D. Degree: Michigan State University Date of defence: August 2010. European Journal of Tourism Research, [S. l.], v. 5, n. 1, p. 72–75, 2012. DOI: 10.54055/ejtr.v5i1.93. Disponível em: https://ejtr.vumk.eu/index.php/about/article/view/93. Acesso em: 16 oct. 2026.