S. I. O., Obuong', / <br/><br/>
KCSE Masterpiece Revision :  Biology Photography manual. 

 - 1st ed. 
 - Nairobi :  Masterpiece Productions,  2011 
 - vii, ill, col. 235 p.  17.5 cm 
<br/><br/><label>ISBN: </label>9789966060073 
<br/><br/><label>LC Class. No.: </label>500.570 
<br/><br/><label>Dewey Class. No.: </label>500.570