Madan,Sushila <br/><br/>
Introduction to computers and information system 

 - Delhi  Taxmann allied services pvt ltd.  2007 
 - 306p. 
<br/><br/><label>ISBN: </label>81-7496-967-5 
<br/><br/><label>Dewey Class. No.: </label>005.7565     Mad. P7