TY  - BOOK
AU  - Khanna, D.R.
TI  - Environmental management
SN  - 9788170358220
U1  - 363.7 E76 
PY  - 2013///
CY  - New Delhi
PB  - Daya Pub.
KW  - ENVIRONMENTAL MANAGEMENT
KW  - ENVIRONMENTAL PROTECTION
KW  - ENVIRONMENTAL SCIENCE
ER  -