Geographical Thought 
R.D.Dikshit 
 - 2nd ed. 
 - Delhi  PHI Learning  2019 
 - xviii,370p. 
<br/><br/><label>ISBN: </label>978-93-87472-37-2  Rs. 325.00 
<br/><br/><label>Dewey Class. No.: </label>901 D575 ed.2