TANDON, HLS. <br/><br/>
Ferrtiliser Guide 

 - 2nd 
 - Newdelhi  FD&CO  1994 
 - 155p. 
<br/><br/><label>ISBN: </label>81-85116-34-2 
<br/><br/><label>Dewey Class. No.: </label>631.8