Ardley,Neil,  <br/><br/>
Gelombang bunyi dan muzik 

 - 32 pages :   colour illustrations ;   30 cm 
 - Kajian sains .
 - Kajian sains .
<br/><br/><label>ISBN: </label>9679025594 
<br/><br/><label>Dewey Class. No.: </label>507.8