TY  - BOOK
AU  - x, x
AU  - x
TI  - The survey of ponds: x
SN  - x
U1  - REF551.482095492/BAS 
PY  - 1984///
CY  - Dhaka
PB  - Bangladesh Brueau of Statistics
KW  - Ponds
N1  - x
ER  -