Karanja Gichela et al . <br/><br/>
KCSE Score More Mathematics;  Revised  Edition  . 
Storymoja Publishers . 
 - 1st ed . 
 - Nairobi:  Storymoja Publishers.   2015 
 - xii , 398 p .;  21 cm. 
<br/><br/> Edited by Fred  Obondo ;Design and Layout by George  Hinga . 
<br/><br/><label>ISBN: </label>978-9966-066-15-2 
<br/><br/><label>Dewey Class. No.: </label>510  / C 1