Weaver David B Ed. <br/><br/>
Encyclopedia of ecotourism 

 - New York  CABI Publication U S A       2001 
 - xiv,668p.  cm. 
<br/><br/><label>ISBN: </label>0851993680 
<br/><br/><label>Source: </label> General Book 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Travel Expedition
<br/><br/><label>Dewey Class. No.: </label>U8, P1