Chattopadhyay, Deepanwita <br/><br/>
Sound / 
Deepanwita Chattopadhyay. 
 - New Delhi :  Rising Sun,  c2006. 
 - 30 p. : col. ill. 
 - Do & Learn science experiments .
<br/><br/><label>Subjects--Topical Terms: </label><br/>Sound--Experiments