Oliveira, Mafalda Rangel, Jorge Gonçalves, Carlos Costa, Laura Diniz Leite, e Karim Erzini. 2010. Implementation of Eco-Tourist Underwater Routs in the Algarve (south of Portugal) As a Way of Preserving Exuberant Marine Ecosystems. Revista Turismo & Desenvolvimento 3 (13/14), 1161-62. https://doi.org/10.34624/rtd.v3i13/14.13303.