Sanjay Kumar, <br/><br/>
Communication skills 
By Sanjay Kumar and Pushp Lata 
 - 4th imp. 
 - New Delhi:  Oxford university press,  2017. 
 - 600p. 
<br/><br/><label>ISBN: </label>9780199457069 
<br/><br/><label>Subjects--Index Terms: </label>English grammar 
<br/><br/><label>Dewey Class. No.: </label>425