TY  - BOOK
AU  - Singh, J.S.
AU  - Singh, S.P.
TI  - Ecology environment and resource conservation
SN  - 81-88342-55-6
U1  - 502.211 
PY  - 2006///
CY  - New Delhi
PB  - Anamaya Publishers
KW  - Ecology
KW  - Environment
KW  - Biology
KW  - Ecosystems
KW  - Natural resources
KW  - Resource conservation
KW  - Enviroment
KW  - Environmental movement
KW  - Environmental policy
KW  - Environmental production
KW  - pesticides
ER  -