TY  - BOOK
AU  - Mukhopadhyay,Biswajit
AU  - Ray,Rahul
TI  - Paribesh O paribesh bidhi
U1  - 338.927 
PY  - 2005///
CY  - Kolkata
PB  - Nagarik Mancha
KW  - Paribesh
KW  - Environment
ER  -