Gordon, Maria,  <br/><br/>
Udara 

 - 32 pages :   colour illustrations ;   21 cm 
 - Siri Sains Asas .
 - Siri Sains Asas .
<br/><br/><label>ISBN: </label>9837503432 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Physics - Study and teaching
<br/><br/><label>Dewey Class. No.: </label>530.4