Lenka D. <br/><br/>
Irrigation and Drainage 

 - Ludhiana  Kalyani Publishers  1991 
 - 327p 
<br/><br/><label>ISBN: </label>8127224596 
<br/><br/><label>LCCN: </label>nam a22     7a 4500 
<br/><br/><label>Dewey Class. No.: </label>627.52/LEN/1991