TY  - BOOK
AU  - Chakravarty, Dilip
TI  - Study on environment management system
U1  - Th 333.716 21st ed.
PY  - 2003///
CY  - Dehradun
PB  - Forest Research Institute, 
KW  - Environmental management
KW  - Water pollution
N1  - Thesis- (M.Sc)- Forest Research Institute, 2003
ER  -