TY  - BOOK
AU  - Behra,H.P.
AU  - 
TI  - Environmental management 
SN  - 978 93 5024 989 5
U1  - 628/B419e 
PY  - 0000///Himalaya Pub
PY  - 2009///
CY  - New Delhi 
KW  - Environmental management
KW  - Environment
N1  - Includes index and bibliography.
ER  -