TY  - BOOK
AU  - Khanna, D.R.  .
TI  - Pond fish ecology and economics / 
SN  - 81-7035-281-9
U1  - K92:5 
PY  - 2002///
CY  - Delhi : 
PB  - Daya Publishing House , 
KW  - Zoology- Ecology of pond fish and economics
ER  -