TY  - GEN
AU  - Dahiya, Pushpa
AU  - Ahlawat, Manisha
TI  - Environmental science: A new approach
SN  - 9788184870756
U1  - 363.7 
PY  - 2013///
CY  - New Delhi
PB  - Narosa Publishing House
KW  - Environmental Science
ER  -