Singh U.V., <br/><br/>
Textbook of geographical thought 
by U.V. Singh 
 - New Delhi  Wisdom press  2015 
 - 256P. 
<br/><br/><label>ISBN: </label>978-93-83318-27-8 
<br/><br/><label>Dewey Class. No.: </label>U  / Q5