TY  - BOOK
AU  - Anil Kumar De
AU  - Arnab Kumar De
TI  - Environmental Studies
SN  - 0000051016
U1  - 620.8 
PY  - 2007///
CY  - New Delhi
PB  - New Age International
KW  -  Studies
KW  - Environmental
KW  - Environmental app health
ER  -