Comer, Douglas. <br/><br/>
Computer networks and internets :  with Internet applications / 
Douglas E. Comer. 
 - 4th ed. 
 - Upper Saddle River, N.J. :  Pearson/Prentice Hall,  c2004. 
 - xxxi, 719 p. :  ill. ;  25 cm. +  1 CD-ROM (4 3/4 in.) 
<br/><br/>Includes bibliographical references (p. [693]-700) and index. 
<br/><br/><label>ISBN: </label>0131433512  TZS 17,550/= 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Computer networks.<br/>Internetworking (Telecommunication)
<br/><br/><label>Dewey Class. No.: </label>004.6 COM