La technique des scenarios appliquée au tourisme. Le scenario du tourisme international à destination du bassin nord-méditerranée à l'horizon 2000 [[policopiado]] / J. M. Thurot
COTA(S): 2284.12
The economic significance of tourism within the European Community : a fifth report by the working group of the National Tourist Organizations of the EEC / prepared by J. W. ='Hagan, C. M. Minnock
COTA(S): 4985