Singh,rachhpal <br/><br/>
A TextBook of Information technology 
Rachhpal Singh, Kiran Gupta, Suman Khurana,Virender Singh 
 - New Delhi  Kalyani pub  2005 
 - 393 
<br/><br/><label>ISBN: </label>8127224707 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Information Technology
<br/><br/><label>Dewey Class. No.: </label>004