Potencialidades turísticas da Serra da Lousã / José Joaquim das Neves Paul
Développement durable du tourisme dans les déserts - lignes directrices à l'intention des décideurs / Organisation Mondiale du Tourisme
COTA(S): 11631
Mapping landscape values and development preferences: a method for tourism and residential development planning / Gregory Brown
Touring cultural e paisagístico / Turismo de Portugal
COTA(S): 11517-09.b; 11517-09; 11517-09.a
Geotourism: a new form of tourism utilising natural landscapes and based on imagination and emotion / Jean-Pierre Pralong
COTA(S): RE-259