Geotourism / 
edited by Ross K. Dowling and David Newsome 
 - Amsterdam :  Elsevier Butterworth-Heinemann,  2006 
 - xxviii, 260 p. :  ill., maps ;  24 cm. 
<br/><br/><label>ISBN: </label>0750662158 (hbk.)  RM192.87 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Ecotourism