TY  - BOOK
AU  - Senthilkumar,T.
TI  - Environmental science
SN  - 9789380433097 (pbk.)
U1  - 333.7 
PY  - 2009///
CY  - Thanjavur
PB  - Nalankilli Pathippagam
KW  - Environmental sciences
KW  - Environmental policy
KW  - Natural resources
ER  -