TY  - BOOK
AU  - Asthana, D. K.
AU  - 
TI  - Environment: problems and solutions
SN  - 81-219-1654-2
U1  - 504 
PY  - 2005///
CY  - New Delhi
PB  - S. Chand & Co.
KW  - Enviroment
KW  - Environment
KW  - Ecology
KW  - Environmental movement
KW  - Environmental policy
KW  - Environmental production
KW  - pesticides
KW  - Natural resources- exploitation
KW  - Pollution- environment
KW  - Bio diversity
ER  -