TY  - BOOK
AU  - DAVE, DEEKSHA
AU  - KATEWA, S.S.
TI  - TEXTBOOK OF ENVIRONMENTAL STUDIES
SN  - 8131508572
U1  - 628/DAV/KAT 
PY  - 2009///
CY  - NEW DELHI.
PB  - CENGAGE LEARNING, NEW DEHLI
ER  -