W <br/><br/>
Sustainable development of tourism in deserts  guidelines for decision makers /  [[Book] :] 
Wold tourism organization. 
 - 1st ed. 
 - madrid :  Wold tourism organization,  2007. 
 - 70 p ;  27 cm. 
<br/><br/> All age. 
<br/><br/><label>ISBN: </label>8284400931 
<br/><br/><label>Dewey Class. No.: </label>338.41 
<br/><br/><label>National Library of Medicine Call No.: </label>338.41  / W S