Fariña Tojo J, de Luxán M, Pérez Eloriaga JR. T12 Turismo sostenible, ecoturismo. Bol. CF+S [Internet]. 2014 May 27 [cited 2026 May 1];(32/33). Available from: https://polired.upm.es/index.php/boletincfs/article/view/2359