311.		Tourism and sustainable development : exploring the theoretical divide / Richard Sharpley Autor: Sharpley, Richard
312.		La demanda turistica / José Quevedo Autor: Quevedo, José
313.		La oferta turística / José Quevedo Autor: Quevedo, José
314.		El turismo desde la optica de la demanda / Marion Libreros Autor: Libreros, Marion
315.		Sustainable tourism or sustainable mobility : the norwegian case / Karl G. Hoyer Autor: Hoyer, Karl G
316.		Sustainable tourism: a state-of-the-art review / Richard W. Butler Autor: Butler, Richard W.
317.		Community-based tourism / Paul Russell Autor: Russell, Paul
318.		An introduction / Stephen Taylor Autor: Taylor, Stephen
319.		Asset management / Arthur de Haast Autor: Haast, Arthur