Udai Pratap Singh <br/><br/>
Human ecology and development in India / 
by Udai Pratap Singh and Awadhesh Kumar Singh 
 - New Delhi :  APH Publishing corporation,  1999. 
 - 278p. : 
<br/><br/><label>ISBN: </label>8176480657 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Human ecology
<br/><br/><label>Dewey Class. No.: </label>304.2  / UDA/H