TY  - BOOK
AU  - JOSEPH (Kurian);NAGENDRAN (R)
TI  - Essentials of environmental studies
SN  - 81-297-0498-6
U1  - 363.73 JOSE 
PY  - 2005///
CY  - Delhi
PB  - Pearson Education.
KW  - Environment
KW  - Social Work
ER  -