1.		Research on International Experiences in measuring tourism Expenditure Associated with inbound tourism : (Version 1.0) Data Publicação: 2002 Coautor: ARALDI Col.autor: OMT COTA(S): 17765
2.		Comparative study of International Experiences in the measurement of traveller flows at National Borders : Final report (May 2004) Data Publicação: 2004 Coautor: ARALDI Col.autor: OMT. Department of Statistics and Economic Measurement of Tourism COTA(S): 17769.01
3.		Comparative study of International Experiences in the measurement of traveller flows at National Borders : Final report (October 2004) Data Publicação: 2004 Coautor: ARALDI Col.autor: OMT. Department of Statistics and Economic Measurement of Tourism COTA(S): 17769.02