TY  - BOOK
AU  - Thorpe,Edgar.
AU  - Showick,Thorpe.
TI  - General Studies Paper-I  Geography and environmental ecology vol-4: For civil services preliminary examination 
SN  - 9789386873057
U1  - 001   
PY  - 2018///
CY  - Noida
PB  - Pearson
KW  - Geography and environment ecology
ER  -