TY  - BOOK
AU  - Chaturvedi, D.D.
AU  - Bhagi, A.K.
TI  - Enviironmental studies
SN  - 9789382209034
U1  - 333.7 
PY  - 2017///
CY  - Noida
PB  - Scholar Tech Press
KW  - Enviornment
ER  -