TY  - BOOK
AU  - Jayeti & Purohit
TI  - Paryavaran Adhyan
SN  - 978-8185680910
U1  - 628.505 
PY  - 2010///
CY  - Vatsal enterprises new delhi
PB  - ATPA
KW  - Paryavaran Adhyayan
ER  -