Arid and semiarid lands :  sustainable use and management in developing countries / 
R. Dennis Child ... [et al.]. 
 - Arkansas :  Winrock International,  1984. 
 - 205 p. ;  il. , fotografías ;  23 cm. 
<br/><br/><br/>Inglés 
<br/><br/><label>ISBN: </label> Normal 
<br/><br/><label>Subjects--Index Terms: </label>Conservation Conservación Sustainable development Desarrollo sostenible 
<br/><br/><label>Dewey Class. No.: </label>333.715