Chin, Sophia,  <br/><br/>
Sound 

 - 30 pages :   colour illustrations ;   21 cm 
 - The stimulating science series .
 - The stimulating science series .
<br/><br/><label>ISBN: </label>9789675049118 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Readers.
<br/><br/><label>Dewey Class. No.: </label>428.6