Onunga john. <br/><br/>
Computer studies/  Dr. John Onunga 

 - 4th ed 
 - Nairobi. :  Mariwa publishers,  2005. 
 - 174p. : 
<br/><br/>includes index 
<br/><br/><label>ISBN: </label>9966802061 
<br/><br/><label>LC Class. No.: </label>QA 76.28  /  .O5 2005