Biot, Yvan <br/><br/>
Rethinking research on land degradation in developing countries/ 
Yvan Biot ... [et al.]. 
 - Washington, D.C.:  The World Bank,  1995 
 - 139p.:  ill.  27cm 
 - World Bank discussion papers,  289 .
<br/><br/><label>ISBN: </label>0821333291