TY  - BOOK
AU  - Prasad, S.N.
TI  - Environmental biology
SN  - 8187815248
U1  - 577 21st ed.
PY  - 2000///
CY  - New Delhi
PB  - Campus Books
KW  - Biodiversity
KW  - Ecology
KW  - Endangered species
KW  - Forest resources
KW  - Natural resources
KW  - Pollution
KW  - Wildlife reserves
ER  -