TY  - BOOK
AU  - Misra, S.P
AU  - Pandey, S.N
TI  - Essential environmental studies
SN  - 9788180521720
U1  - 577  
PY  - 2008///
CY  - New Delhi
PB  - Ane Books Pvt. Ltd.
KW  - Environmental science
KW  - Huaman ecology
KW  - Nature resources
KW  - Ecosystems
ER  -