Beasley Jeffrey S.  <br/><br/>
Modern electronic communication / 
Jeffrey S Beasley  
 - 9th ed. 
 - New Delhi :  PHI Learning ,  2010. 
 - 950 p.:  ill.; 
<br/><br/> Includes index. 
<br/><br/><label>ISBN: </label>9788120340046 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Communication
<br/><br/><label>LC Class. No.: </label>TK5105 .B327 2008