SEN , D . R. <br/><br/>
Encyclopedia of Teaching Science : Modern Methods of Teaching Science  

 - Volume 1 
 - New Delhi :  Commonwealth ,  2007 . 
 - 327 p . :   ill . : 24 cm . 
<br/><br/> includes bibliography 
<br/><br/><label>ISBN: </label>8171699529 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Science
<br/><br/><label>Dewey Class. No.: </label>500.3