TY  - BOOK
AU  - Khanna,D R
AU  - Chopra,A K
AU  - Vikas Singh
AU  - Bhutiani,R
TI  - Environmental Management
SN  - 9788170358220
U1  - 577 
PY  - 2013///
CY  - New Delhi
PB  - Daya
ER  -