TY  - BOOK
AU  - Uppal, Shweta 
TI  - Bhoutik Bhugol Ke Mul Siddhant 11th Class 
SN  - 81-7450-531-8
U1  - 910 
PY  - 2019///
CY  - New Delhi: 
PB  - National Council of Educational Research and Training
KW  - Geography;
ER  -