TY  - BOOK
AU  - Saxena, H. M.
TI  - Environmental studies
SN  - 8170339936
U1  - 333.707  
PY  - 2006///
CY  - Jaipur
PB  - Rawat Publications
KW  - Environmental science-Study and teaching
KW  - Pollution
KW  - Biological diversity
KW  - Conservation of natural resources
ER  -