TY  - BOOK
AU  - Singh, R P
AU  - Islam, Zubairul 
TI  - Environmental studies
SN  - 8180697746
U1  - 333.714 
PY  - 2012///
CY  - New Delhi
PB  - Concept Publishing Company Pvt. Ltd
KW  - Ecosystems
KW  - Biodiversity
KW  - Environmental pollution
KW  - Social issues
KW  - Filed work
N1  - It Includes bibliographies and index
ER  -