Comer, Douglas E.  <br/><br/>
Computer networks and internets /  
Douglas E. Comer  
 - 6th ed.  
 - New Delhi:  Pearson,   2019. 
 - 666p. ;   24cm.  
<br/><br/>Includes bibliographical references. 
<br/><br/><label>ISBN: </label>9789352869152  
<br/><br/><label>Subjects--Topical Terms: </label><br/>Internetworking (Telecommunication) --Computer science --Computer networks 
<br/><br/><label>Dewey Class. No.: </label>004.6   / COM