1.		Entrepreneurship in rural areas: the case of tourism related business / Goretti Silva Autor: Silva, Goretti Data Publicação: 2005 Coautor: Edwards, Jon Vaughan, Roger Col.autor: Portugal. Fundo de Turismo
2.		The adoption of electronic commerce in the purchase of leisure travel components / Miguel moital, Roger Vaughan, Jonathan Edwards Autor: Moital, Miguel Data Publicação: [2003?] Coautor: Vaughan, Roger Edwards, Jonathan
3.		Review of the expectations concerning the impact of euro upon external business environment: key opportunities and threats of SME tourism enterprises located in participating countries / C. Cardoso, J. Edwards, R. Vaughan Autor: Cardoso, C. Coautor: ; Edwards, Jonathan Vaughan, Roger