TY  - BOOK
AU  - Aery, N. C
ED  - Jagetiya, B. L
ED  - Purohit, Pankaj
TI  - Environmental studies
SN  - 8183210074
U1  - 333 
PY  - 2005///
CY  - Udaipur : 
PB  - Agrotech Publishing academy
ER  -