Grant, August ; et al.  <br/><br/>
Communication Technology: Update and Fundamentals  

 - 16th Edition 
 -  Routledge Taylor and Francis Group   2018 
 - 327p. 
<br/><br/><label>ISBN: </label>9781138571365 
<br/><br/><label>Dewey Class. No.: </label>621.382 G7671