Tripathi, Lal Bachan <br/><br/>
Manav vikas ka manovigyan 

 - New Delhi    Concept Pub.Company  2009 
 - 456 
 -  1 .
<br/><br/><label>ISBN: </label>9788180695933 
<br/><br/><label>Dewey Class. No.: </label>155  / lal ga