TY  - BOOK
AU  - Pushpa Dahiya
AU  - Manisha Ahlawat
TI  - Environmental science : a new approach
SN  - 9788184870756
CY  - New Delhi
KW  - Ecosystems
KW  - Environmental pollution
KW  - Environmental science
KW  - Natural resources
N1  - Includes index
ER  -