Comparative study of International Experiences in the measurement of traveller flows at National Borders : Final report (May 2004)
Comparative study of International Experiences in the measurement of traveller flows at National Borders : Final report (October 2004)
DESPACHO CONJUNTO, DE 15 DE JANEIRO
Essai d'estimation du nombre de touristes de diverses nationalités qui visiteront le Portugal en 1962 / ITA-Institut du Transport Aérien