BISWAJIT  RAY  DEEPAKDAYAL <br/><br/>
MODERN METHODS OF TEACHING CHEMISTRY  

 - NEW DELHI  A P H PUBLISHING   2014 
<br/><br/><label>ISBN: </label>978-81-313-0237-8 
<br/><br/><label>Dewey Class. No.: </label>540.7  / RAY/M