Bhatiya, R C <br/><br/>
Vyavsayik sanchar 

 - New Delhi  Manakin Press  2018 
 - viii, 482 p. 
<br/><br/> 3960 08/01/2020 HBD20/8168 20/01/2020 Main Budget 
<br/><br/><label>ISBN: </label> RS 795.00 
<br/><br/><label>Dewey Class. No.: </label>658.45 B469V