Whyman, Kathryn,  <br/><br/>
Pelangi dan laser 

 - 32 pages :   colour illustrations ;   29 cm 
 - Kajian sains .
 - Kajian sains .
<br/><br/><label>ISBN: </label>9679025527 
<br/><br/><label>Dewey Class. No.: </label>507.8