Kibuggah K. Poul et al : <br/><br/>
Certificate Secondary /  Form 4 

 - 2nd ed. 
 - Nairobi :  Oxford University Press East Limited.,  2005. 
 - ill, 301p.  17cm. 
<br/><br/><label>ISBN: </label>9780195740042 
<br/><br/><label>LC Class. No.: </label>900.910 
<br/><br/><label>Dewey Class. No.: </label>900.910