TY  - BOOK
AU  - Manoharachary, C
TI  - Principles of environmental studies ( ecology,economics,management and law)
SN  - 8178001314
U1  - 910.13337 P41;P6 
PY  - 2006///
CY  - Hyderabad
PB  - B S Publications
KW  - Environmental studies
KW  - Environment
ER  -