TY  - BOOK
AU  - Nagendran, R
AU  - Joseph, Kurian
TI  - Essentials of environmental studies
SN  - 8129707632
AV  - GE 70 Jos 
PY  - 2005///
CY  - New Delhi
PB  - Pearson
KW  - CONSERVATION OF NATURAL RESOURCES--STUDY AND TEACHING
KW  - HUMAN ECOLOGY--STUDY AND TEACHING
KW  - ENVIRONMENT
ER  -