Sidahmed,Ahmed E Squires,Victor R <br/><br/>
Drylands  Sustainable use of rangelands into the twenty-first century / Victor R.Squires and Ahmed E.Sidahmed 

 - Rome  IFAD  1998 
 - xvi, 470p. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Dryland<br/>Land economics