Chattopadhyay, Deepanwita <br/><br/>Do & learn science experiments:  sound/ Deepanwita Chattopadhyay.--  -- New Delhi:  Sterling Press (P) Ltd.,  2006. <br/> col.: ill.;  29. <br/><br/><label>ISBN: </label>1845575431 <br/><br/><label>Subjects--Topical Terms: </label><br/>Science<br/><br/><label>Dewey Class. No.: </label>HS Cir 500 C39 2006