Carvalho, Pedro G. and Sonis, Michael (2007): A Life experiment of development Mountain tourism in Portugal observed from the point of view of theories of Complexity, Complication and Self-organization. Unpublished.
Carvalho, Pedro G. (2006): Key Issues on Tourism Strategies. Published in: (2007)
Carvalho, Pedro G. and Miragaia, Dina (2007): Leaning an University Department: a life experiment. Unpublished.
Carvalho, Pedro G. and Lourenço, Rui (2008): Turismo de Prática Desportiva: um Segmento do Mercado de Turismo Desportivo. Unpublished.
