Ray, A. <br/><br/>
Learn and Teach Chemistry 

 - 1st /   2006. 
 - Delhi:  Authorspress,  2006. 
 - 204p. 
<br/><br/><label>Subjects--Personal Names: </label><br/>Chemistry, Title. 
<br/><br/><label>Dewey Class. No.: </label>540