Das, Ranjit. <br/><br/>
A Text Book of Higher Secondary Chemistry 

 - 1st /   1991. 
 - Guwahati:  Oriental Book Company (P)  Ltd.,  1991. 
 - 638p. 
<br/><br/><label>Subjects--Personal Names: </label><br/>Chemistry, Chemistry And Allied Science. 
<br/><br/><label>Dewey Class. No.: </label>540