Das, R. C. <br/><br/>
Science teaching in school 

 - New Delhi   Sterling Publisher Pvt.Ltd   2006 
 - 264 p 
<br/><br/><label>ISBN: </label>81-207-0040-6 
<br/><br/><label>Subjects--Topical Terms: </label><br/>New Delhi 
<br/><br/><label>LC Class. No.: </label>LB 1585 .D37/