Critchley, Will. <br/><br/>
Looking after our land:  soil and water conservation in dryland Africa / 
Will Critchley ; edited by Olivia Graham. 
 - 84 p. :  ill. ; 
<br/><br/> Includes bibliographical references (p. 82-83). 
<br/><br/>Includes bibliographical references (p. 82-83). 
<br/><br/><label>ISBN: </label>0855981709 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Soil conservation<br/>Water conservation<br/>Arid regions agriculture
<br/><br/><label>LC Class. No.: </label>S 625 CRI 1991