TY  - BOOK
AU  - De, A. K.
AU  - De, Arnab Kumar, revised
TI  - Environmental chemistry 
SN  - 9789385923890
U1  - 577.14 
PY  - 2019///
CY  - New Delhi ; kolkata
PB  - New Age International 
KW  - Environmental chemistry
KW  - Biology & Eviromental Sciences
KW  - Air pollution
KW  - Noise pollution
KW  - Water pollution
ER  -