Costa, C., Caçador, S., Carvalho, I., Breda, Z., & Ltd, G. S. and T. F. P. (2013). . In Proceedings of the 2nd Annual International Conference on Tourism and Hospitality Research ({THoR} 2013). Global Science {\&} Technology Forum Pte Ltd. http://doi.org/10.5176/2251-3426_thor13.20