ABD. AZIM Rashidi <br/><br/>
Float and sink, light and dark = Timbul dan tenggelam, terang dan gelap 

 - 22p.  col. ill.  20cm. 
 - Basic Science Series .
<br/><br/><label>ISBN: </label>9830532364  $8.50 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Readers--Science
<br/><br/><label>Dewey Class. No.: </label>428.6