TY  - BOOK
AU  - SINGH K Y
TI  - ENVIRONMENTAL SCIENCE
SN  - 9788122418484
AV  - GE 160.14 .S56 2006
PY  - 2006///
PB  - NEW AGE INTERNATIONAL
KW  - India
KW  -  Environmental education
KW  -  Environmental sciences
KW  - Human ecology
N1  - includes index
ER  -