Onyonka, H.M et al. <br/><br/>
Distinction K.C.P.E Mathematics : 

 - 4th ed. 
 - Nairobi :  Distinction Educational Publishera Limited.  2023. 
 - iv, ill, 348p.  17cm. 
<br/><br/><label>ISBN: </label>9789966195678 
<br/><br/><label>Dewey Class. No.: </label>500.510