Nany Johan,  <br/><br/>
Panas 

 - 20 pages :   illustrations ;   20 cm 
 - Siri ahli sains muda .
 - Siri ahli sains muda .
<br/><br/><label>ISBN: </label>9678403056 
<br/><br/><label>Dewey Class. No.: </label>507