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

 - 1st /   1996. 
 - Ludhiyana:  Kalyani  Publishers  ,  1996. 
 - 979p. 
<br/><br/><label>Subjects--Personal Names: </label><br/>Chemistry, Chemistry  and  allied  science. 
<br/><br/><label>Dewey Class. No.: </label>540