Kaufman Charlie <br/><br/>
Network security  private communication in a public world 

 - 2nd ed. 
 - New Delhi  PHI Learning  2009 
 - xxiv,713p.  PB  24cm. 
<br/><br/><label>ISBN: </label>9788120322134 
<br/><br/><label>Dewey Class. No.: </label>005.8  / KAU