Buckley, Ralf <br/><br/>
Ecotourism: Principles and practices 

 - Wallingford  CAB International  2009 
 - x, 368 p. 
<br/><br/> 3415 23/01/2019 RBP19/73864 11/02/2019 IHTM (SFS) 
<br/><br/><label>ISBN: </label> GBP29.95 
<br/><br/><label>Dewey Class. No.: </label>338.4791 B855E