TY  - BOOK
AU  - Sharma, Sudarshana  
AU  - Vinit kumar
AU  - Sharma, Paramand
AU  - Dhaka, Anshu 
TI  - Environmental science: sustainable approach 
SN  - 9788184621327
U1  - 000 
PY  - 2013///
CY  - New Delhi
PB  - Shree Publishers & Distrbutors
ER  -