Stamper, David A. <br/><br/>
Business data communications / 
David A. Stamper 
 - 5th ed. 
 - Reading, Mass. :  Addison-Wesley,  c1999. 
 - xxviii, 620 p. :  ill. (some col.) ;  26 cm. 
<br/><br/> Includes index. 
<br/><br/><label>ISBN: </label>0805377328  TZS 122,903/= 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Data transmission systems.<br/>Business enterprises
<br/><br/><label>Dewey Class. No.: </label>004.6 STA