TY  - BOOK
AU  - Das, R.C.
AU  - Behera, D.K.
TI  - Environmental science: principles and practice
SN  -  978-81-203-3330-7
U1  - 375.0083 
PY  - 2008///
CY  - New Delhi
PB  - Prentice-Hall 
KW  - ENVIRONMENTAL SCIENCES
KW  - ENVIRONMENTAL EDUCATION
ER  -