Rai, M. K.  <br/><br/>
Handbook of Microbial Biofertilizers 

 - UP  IBDC Publishers  2006 
 - 579p. 
<br/><br/><label>ISBN: </label>9788181891662 
<br/><br/><label>Dewey Class. No.: </label>631.86  / RAI