Stallings, William <br/><br/>
Network security essentials: Applications and standards 

 - 6th ed. 
 - Noida  Pearson Education  2019 
 - 461 p. 
<br/><br/> 3598 10/09/2019 PBA19/502 14/09/2019 Main Budget 
<br/><br/><label>ISBN: </label> RS739 
<br/><br/><label>Dewey Class. No.: </label>005.8 S18N(6)