Karaka, James. <br/><br/>
Understanding science. : pupil's book 7. 

 - Nairobi.    Longhorn Publishers  2005 
<br/><br/><label>ISBN: </label>Understanding science series. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>NATURAL SCIENCES & MATHEMATICS.
<br/><br/><label>Dewey Class. No.: </label>507.13 KAR