Nderitu , Duncan . <br/><br/>
KCSE Mirror Physics.  
Duncan Nderitu, Isaac Ondiek . 
 - 3rd edition.  
 - Nairobi :  Sportlight Publishers  ,  2014 
 - ix ,384 p . ;  col . illustrations.   18 cm 
<br/><br/><label>ISBN: </label>978 9660022693 
<br/><br/><label>Dewey Class. No.: </label>530