Mungai Joel et al. <br/><br/>
Solving Problems :  KCSE Chemistry Paper 1/ 

 - Rev ed.  2016 
 - Nairobi:  Longhorn Publishers,  2015. 
 - xviii, 359 p. 
<br/><br/><label>ISBN: </label>9789966313702 
<br/><br/><label>Dewey Class. No.: </label>373.540