TY  - BOOK
AU  - Chowdhury, Saugot
TI  - Review of environment management system in upstream petroleum sector with special reference to O.N.G.C. LtD, Ahmedabad
U1  - Th 333.716 21st ed.
PY  - 2008///
CY  - Dehradun
PB  - Forest Research Institute
KW  - Environmental management
ER  -