Jain, S <br/><br/>
O level it tools and business systems 

 - New Delhi :  Bpb Publications,  2011. 
 - 471 
<br/><br/><label>ISBN: </label>0 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Computer EngineeringInformation Technology
<br/><br/><label>Dewey Class. No.: </label>004  / JAI