Deva, Vasu <br/><br/>
e-services:  an innovative approach / 
by Vasu Deva. 
 - 1st ed. 
 - New Delhi:  Commonwealth publishers (P) Ltd.,  2019. 
 - x, 251p. 
<br/><br/><label>Dewey Class. No.: </label>X:8  / Q9