Arun Kumar Singh <br/><br/>
Samaj manovigyan ki ruprekha / 
Arun Kumar Singh 
 -  Motilal Vanarsi Delhi 
 - 893 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Psychology
<br/><br/><label>Dewey Class. No.: </label>302  / SINS