Stallings, William. <br/><br/>
Data and computer communications / 
William Stallings. 
 - 9th ed. 
 - Upper Saddle River, N.J. :  Pearson/Prentice Hall,  2014. 
 - 861 p. :  ill. ;  25 cm. 
<br/><br/> سيد التونسى / كلية نظم المعلومات وعلوم الحاسب 
<br/><br/>Includes bibliographical references (p. 847-857) and index. 
<br/><br/><label>ISBN: </label>9781292024387 
<br/><br/><label>Standard No.: </label>9781292024387 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Data transmission systems.<br/>Computer networks.
<br/><br/><label>LC Class. No.: </label>TK5105  / .S73 2007 
<br/><br/><label>Dewey Class. No.: </label>004.6  / S D