TY  - BOOK
AU  - Upadhyay, Anubhav
TI  - Environment and Ecology General Studies Preview 6: Includes Question Papers from 1990 to Feb. 2022 alongwith UPPCS Mains GS Question Papers
SN  - 9789390927753
U1  - 574.5 
PY  - 2022///
CY  - Allahabad
PB  - Sam-Samayik Ghatna Chakra
ER  -