Obwaka, Aggrey M. <br/><br/>
Intergrated secondary Physics/ 

 - Nairobi  Jomo Kenyatta foundation  2001 
 - 431p. 
<br/><br/><label>ISBN: </label>9966-22-179-4 
<br/><br/><label>LC Class. No.: </label>SBL QC 21   / O29 2001