Sengupta J. <br/><br/>
P C Ray 
Sengupta J. 
 - New Delhi    National Book Trust India    
 - 126p.  cm. 
<br/><br/><label>Standard No.: </label>248846 
<br/><br/><label>Source: </label> Textbook 
<br/><br/><label>Subjects--Topical Terms: </label><br/>CHEMISTRY
<br/><br/><label>Dewey Class. No.: </label>Ew4475, L2