TY  - BOOK
AU  - Tiwari, Manoj
AU  - Manoj Tiwari
TI  - Environmental Studies
SN  - 8188237825
AV  - TD195 .P88 2002
PY  - 2007///
CY  - New Delhi
PB  - I.K.International Publishing House Pvt. Ltd.
N1  - Includes index
ER  -