Varma, Ram kumar <br/><br/>
Matratmaka bhugola (Hindi) 

 - New Delhi  : Arjun Publishing House,  2017 
 - 224p. 
<br/><br/><label>ISBN: </label>978-81-8330-659-1 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Geography--Statistical methods
<br/><br/><label>Dewey Class. No.: </label>910.21  / VR:M