TY  - BOOK
AU  - Thakur, Vidya
TI  - Text book of environmental science
SN  - 81723375568
U1  - 910.13337 Q23;2 
PY  - 2012///
CY  - Jodhpur
PB  - Scientific Publishers
KW  - Environment
KW  - Environment policy
KW  - Environment Science
ER  -