TY  - BOOK
AU  - Pandey, G N
TI  - Environmental Management: G N Pandey
SN  -  8125902929
U1  - 574.6 
PY  - 1999///
CY  - New Delhi
PB  - Vikas publishing house
KW  -  Biology
KW  - Ecology
KW  - জীবন বিজ্ঞান
N1  - Includes index
ER  -