TY  - BOOK
AU  - Thangamani,A.
AU  - Thangamani,Shyamala
TI  - A text book of environmental studies
U1  - 333.707 
PY  - 2003///
CY  - Sivakasi
PB  - Pranav Syndicate
KW  - Environmental
KW  - Cross-cultural studies
N1  - Bibliography : p. 203-207
ER  -