TY  - BOOK
AU  - Singh J.S.  Singh Gupta S.P.
TI  - Ecology Environment and Resource Conservation
SN  - 0000050219
U1  - 620.8 
PY  - 2006///
CY  - New Delhi
PB  - Anamaya
KW  -  Ecology
KW  -  Environment
KW  -  Resource
KW  - Conservation
KW  - Environmental app health
ER  -