Norman, David  Douglas, Malcolm <br/><br/>
Farming systems development and soil conservation  x 

 - 1st 
 - Delhi  Daya Pub.,  1994 
 - Viii, 173 
<br/><br/>
<br/><br/><label>ISBN: </label>8170355125  
<br/><br/><label>Subjects--Topical Terms: </label><br/>Soil conservation Soil ecology 
<br/><br/><label>Dewey Class. No.: </label>631.45/N843f