Developing self-guided scuba dive routes in the Algarve (Portugal) and analysing visitors' perceptions Mafalda Rangel C. Pita J. M. S. Gonçalves F. Oliveira C. Costa K. Erzini Publication Journal: Marine Policy Year of Publication: 2014 Volume: 45 Pagination: 194--203 Identifiers Other Numbers: 25561825 Alternative titles DOIGoogle ScholarBibTeXRIS Locators