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2. Origins of sightseeing;Adler;Annals of Tourism Research,1989
3. Sensory marketing and tourist experiences;Agapito;Spatial and Organizational Dynamics Discussion Papers,2012
4. Aristotle (2001). Da Alma [De Anima] (trans. Carlos Humberto Gomes). Lisboa, Portugal: Textos Filosóficos.
5. The theme park experience: an analysis of pleasure, arousal and satisfaction;Bigné;Tourism Management,2005