Gupta, Apar <br/><br/>
Information technology ACT 

 - 3rd ed. 
 - Gurgaon  Lexis Nexis  2016 
 - 974p. 
<br/><br/><label>ISBN: </label>9789351437116 
<br/><br/><label>Dewey Class. No.: </label>003.5026  G959I