P Ramakrishna Rao <br/><br/>
Digital Communication 

 - Chennai  McGraw Hill Education(India) Private Ltd.  2018 
 - xix,577p,: 
<br/><br/> It includes index 
<br/><br/><label>ISBN: </label>978-0-07-070776-4 
<br/><br/><label>Dewey Class. No.: </label>621.382