K.C.S.E Masterpiece  Revision  Mathematics:  Practical Manual -Form 1/ 
Oshome N . O 
 - Revised ed.  2015 
 - Nairobi :  Masterpiece Educational  Publishers,  2014. 
 - vi, 229 p. ; 
<br/><br/><label>ISBN: </label>9966061010 
<br/><br/><label>Dewey Class. No.: </label>500.510