TY  - BOOK
AU  - Purohit S S 
AU  -  Shammi Q J,Agrawal A K
TI  - Environmental Science A New Approach
SN  - 9788177542103
U1  - 338.1021 PUR 
PY  - 2012///
CY  - Jodhpur
PB  - Agrobios India
KW  - Environmental Science
KW  - Purohit S S
ER  -