TY  - BOOK
AU  - Leopold, Marian
TI  - Problems of Fish Culture Economics with special reference to Carp Culture In Eastern Europe:FAO Eifac Technical Paper No.40(EIFAC/T40)
PY  - 1981///,
CY  - Rome
PB  - Food and Agriculture Organization
UR  - https://books.google.lk/books?id=o-O4YRy0fVYC&printsec=frontcover&source=gbs_ge_summary_r&cad=0#v=onepage&q&f=false
ER  -