Rai, Markandey <br/><br/>
The Challenges Of 21St Century ( 2Volumes Set ) 
Dr. Markandey Rai 
 - 1 
 -  Jnanada Prakashan  2022 
<br/><br/><label>ISBN: </label>9788171398812 
<br/><br/><label>Dewey Class. No.: </label>303.4  / RAI