Encontro Nacional de Ambiente, Turismo e Cultura, Lisboa, 1-4 Nov. 1989 / org. Centro Nacional de Cultura
COTA(S): 5147
Contribution to the drafting of a charter for cultural tourism [[policopiado]] : final report / Mark Dixon, [et al.]
COTA(S): 87-CEE
Nomenclature statistique des voyages utilitaires / Organisation Mondiale du Tourisme
COTA(S): 4945