Singh, Samir kumar <br/><br/>
Future of communication 

 - New Delhi  Jnanada Prakashan  2018 
 - vii, 230 p. 
<br/><br/> 4943 28/12/2022 KKP23/348 02/01/2023 Main Budget 
<br/><br/><label>ISBN: </label> RS 1200.00 
<br/><br/><label>Dewey Class. No.: </label>070.1 S64F