Ghosh, K. P. <br/><br/>
Encyclopedia of communication skills: Vol- 3 

 - 1st 
 - Jaipur  Galaxy Book Company  2020 
 - 282 p. 
<br/><br/><label>ISBN: </label>9789386411570 
<br/><br/><label>LC Class. No.: </label>AXP:(T:3)  Q0.3