Sumita Arora <br/><br/>
Introduction to computers and information systems 
Sumita Arora 
 - ed. 2 
 -  Dhanpat Rai  2005 
<br/><br/><label>ISBN: </label> 180 
<br/><br/><label>Dewey Class. No.: </label>510.7834ARO.P5