Dixon John <br/><br/>
Economics of dryland management 

 - London  Earthscan Publication U K         1989 
 - xv,302p  cm. 
 - United Nations Environment Programme Publications .
<br/><br/><label>Source: </label> General Book 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Geography
<br/><br/><label>Dewey Class. No.: </label>U6735, M9