Koren KOV,  DA. <br/><br/>
Nitrogen Fertilizers   Textual Documents 

 - 1983. 
 - New Dehli :  Oxonian Press . 
 - 309 pg . 
<br/><br/><label>ISBN: </label>  
<br/><br/><label>Dewey Class. No.: </label>631.84  / KOR