Beasley, Jeffrey S. <br/><br/>
Electronic communication  a systems approach  
by Jeffrey S. Beasely, Jonathan D. Hymer and Gary M. Miller 
 - Boston  Pearson  2014 
 - xxiv, 631 pages : color illustrations ; 29 cm 
<br/><br/>Includes bibliographical references and index. 
<br/><br/><label>ISBN: </label>9780132988636   
<br/><br/><label>Subjects--Topical Terms: </label><br/>Telecommunication.; Electronic communication
<br/><br/><label>Dewey Class. No.: </label>621.382  / BEA/E