TY  - BOOK
AU  - SINGH,J.S.
AU  - Singh, S. P.
AU  - Gupta, S. R.
TI  - Ecology environmental science and conservation
SN  -  9789383746002
U1  - 628 
PY  - 2014///
CY  - New Delhi
PB  - S. Chand
KW  - Environmental sciences
KW  - Ecology
N1  - Includes index
ER  -