| 1. | Analysing determinants of visitor spending for the rural tourist market in North Portugal / Elisabeth KastenholzAutor: Kastenholz, Elisabeth |  | |
| 2. | Culture and local development / OECDData Publicação: 2005 Col.autor: OECD |  | |
| 3. | Tourism as an International traded service : A guide for measuring arrivals and associated expenditures of non-residentsData Publicação: 2005 Col.autor: OMT | | |