Yadav, Naresh <br/><br/>
Four decades of national science exhibition for children : 1971-2010/ 
Naresh Yadav 
 - New Delhi:  NCERT,  2012 
 - 160p. 
<br/><br/><label>ISBN: </label>9789350072110 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Science Education Exhibition
<br/><br/><label>Dewey Class. No.: </label>372.3074 YAD-F