TY  - BOOK
AU  - Pandey, P.K.
AU  - Kalita, D.
TI  - Environmental studies
SN  - 9788192527611
U1  - 352.6 
PY  - 2013///
CY  - Dibrugarh
PB  - Mahaveer Publications
KW  - Enviromental studies
N1  - It includes bibliographical information
ER  -