Turismo e Desporto de Aventura : Atividades com manobras de corda / Francisco Silva
Desfrutar Portugal : Goldenbook 2020 / MAJOV Edições, Lda.
Alternative tourism and adaptive change / Philip Dearden, Sylvia Harron
Monitoring tourism on the UK's first long-distance cycle route / Andrew M. Cope, David Doxford, Tony Hill