TY  - BOOK
AU  -  Varma, Ram kumar
TI  - Matratmaka bhugola (Hindi)
SN  - 978-81-8330-659-1
U1  - 910.21 
PY  - 2017///
CY  - New Delhi
PB  - : Arjun Publishing House
KW  - Geography--Statistical methods
ER  -