TY  - BOOK
AU  - Sivasankaran, M.
AU  - Raveendran, P.K.
TI  - Paristhithi parichayakosham
U1  - 577.4=M 
PY  - 2000///
CY  - Kochi
PB  - Kerala Sastra Sahitya Parishad
KW  - Enviroment
KW  - Environment
KW  - Ecology
KW  - Environmental movement
KW  - Environmental policy
KW  - Environmental production
KW  - pesticides
ER  -