TY  - BOOK
AU  - Mukhopadhyay,Anandadev   .
AU  - Chanda,Binoy
TI  - Paribesh prasanga- 1st part- sec-1 / 
U1  - 363.7 21st
PY  - 2012///
CY  - West Midnapur : 
PB  - Avik Publications Publishers and Book Sellers , 
KW  - ENVIRONMENTAL SCIENCE
KW  - ENVIRONMENT
N1  - Includes index
ER  -