Stephen Mungai et al . <br/><br/>
A+ Revision  KCSE  Mathematics;  Paper 1 ,Revised Edition.  
Longhorn  Publishers.  
 - vii , 424 pages .;   col.  ill ,  22cm 
<br/><br/><label>ISBN: </label>9789966315625 
<br/><br/><label>Dewey Class. No.: </label>510  / C 1