TY  - BOOK
AU  -  Supriya Sarkar
TI  - Paryavaran : Prabhandhan 
SN  - 9788190892018
U1  - 333.7(H) SUP/P  
PY  - 2013///
CY  - New Delhi 
PB  - Saketh Prakashan 
KW  - Environment
ER  -