TY  - BOOK
AU  - Sexena,H.M.
TI  - Environmental Studies
SN  - 9788170339939:
U1  - 304.2 21st
PY  - 2006///
CY  - Jaipur
PB  - Rawat Publications
KW  - ENVIRONMENT
KW  - ENVIRONMENTAL STUDIES
KW  - ENVIRONMENTAL POLLUTION
N1  - Includes index, bibliography and glossary
ER  -