Halsall, Fred. <br/><br/>
Data communications, computer networks and open systems / 
Fred Halsall. 
 - Fourth edition. 
 - xvi, 907 pages :  illustrations ;  24 cm. 
<br/><br/>Includes bibliographical references and index. 
<br/><br/>
<br/><br/><label>ISBN: </label>020142293X 9780201422931  RM 245.00  Hadiah  Hadiah 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Data transmission systems.<br/>Computer networks.<br/>Local area networks (Computer networks).