Noraini Yusof,  <br/><br/>
Bagaimana berfungsinya sonar dan radar 

 - 21 pages :   colour illustrations ;   21 cm 
 - Siri doku asas .
 - Siri doku asas .
<br/><br/><label>ISBN: </label>9831500121 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Science
<br/><br/><label>Dewey Class. No.: </label>500