Karuri, Gakure : <br/><br/>
KCSE Mirror Mathematics / 

 - Nairobi :   Spotlight publishers limited,  2010. 
 - vii, ill. 375 p.  18 cm. 
<br/><br/><label>ISBN: </label>9789966002563 
<br/><br/><label>Dewey Class. No.: </label>500.510