Mohammad, Noor <br/><br/>
The ecology of agricultural system 

 - New Delhi  Concept pub.  1992 
 - 334 p. 
<br/><br/> 20232 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Geography
<br/><br/><label>Dewey Class. No.: </label>630.291  / M