SINGH,SS <br/><br/>
PRINCIPLES AND PRACTICE OF AGRONOMY 

 - 7TH 
 - NEW DELHI  KALAYANI  2018 
 - 348 
<br/><br/><label>ISBN: </label>9789327256376 
<br/><br/><label>Dewey Class. No.: </label>581  / PRE-S