Tiwari , Satish <br/><br/>
Chemical & Fertilizers  Encyclopaedia of indian government series 

 - New delhi  Anmol Publications  2000 
 - 270 
<br/><br/><label>ISBN: </label>81-261-0620-4 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Fertilizers & Manures
<br/><br/><label>Dewey Class. No.: </label>613.8  / TIC