Oluoch , Charles . <br/><br/>
K.C.S.E Score More Biology   Revised Edition.  
Charles Oluoch , and Jackson Muraya . 
 - 2nd edition.  
 - Nairobi.   Storymoja Publishers.   2015 
 - 306 pages .  col. illustrations.   18 cm . 
<br/><br/><label>ISBN: </label>978-9966-066-26-8 
<br/><br/><label>Dewey Class. No.: </label>570