Smoothey, Marion,  <br/><br/>
Masa, jarak dan laju 

 - 64 pages :   colour illustrations ;   21 cm 
 - Siri matematik ke 2 .
 - Siri matematik ke 2 .
<br/><br/><label>ISBN: </label>9679148661 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Times - Measurement - Miscellanea
<br/><br/><label>Dewey Class. No.: </label>529.7