Jain,Satish <br/><br/>
O level made simple: system software, diagnostic & debugging tools/by Satish Jain 

 - New Delhi  BPB Publications  2008 
 - 248p. 
<br/><br/><label>ISBN: </label>9788183332422 
<br/><br/><label>Dewey Class. No.: </label>001.642  J199C