TY  - BOOK
AU  - R P Singh
AU  - Zubairul Islam
TI  - Environmental studies
SN  - 9788180697746
U1  - 333.7 
PY  - 2012///
CY  - New Delhi
PB  - Concept
KW  - Human Ecology
KW  - Natural Resources India
KW  - Environmental Sciences
KW  - Social Sciences
ER  -