TY  - BOOK
AU  - behera, h.p.
AU  - Khan, M.S
TI  - enviromental management 
SN  - 978-81-8488-178-3
U1  - 577 BEH-ENV 
PY  - 2010///
CY  - new delhi
PB  -  himalaya publishing house
KW  - Environment; Management
ER  -