K.S. Yawalkar <br/><br/>
Manuaer and fartilizers 

 - New Delhi  Fertiliser Association Limited 
 - 251p 
<br/><br/>K.S. Yawalkar & J.P. Agarwal: Manuaer and fartilizers.  New Delhi.  Fertiliser Association Limited,--(631.8YAW)   
<br/><br/><br/>ENGLISH 
<br/><br/><label>Dewey Class. No.: </label>631.8  / YAW