Purakyastha, B. D. <br/><br/>
College  Chemistry 

 - 1st /   1994. 
 - Delhi:  Kalyani  Publishers,  1994. 
 - 262p. 
<br/><br/><label>Subjects--Personal Names: </label><br/>Chemistry, Chemistry  &  allied  science. 
<br/><br/><label>Dewey Class. No.: </label>540