TY  - BOOK
AU  - Singh, Arun Kumar  .
TI  - Applied environmental science / 
SN  - 978-81-261-4886-8
U1  - G:55k 
PY  - 2012///
CY  - New Delhi : 
PB  - Anmol Publications Pvt. Ltd , 
KW  - Biology- Environmental
ER  -