World fish farming cultivation and economics /
Brown, E. Evan
World fish farming cultivation and economics / E. Evan Brown. - Westport, Conn.: Avi Pub. Co, 1977. - 397 pages : illustrations ; 24 cm.
0870552341
Aquaculture--Economic aspects.
Aquaculture.
World fish farming cultivation and economics / E. Evan Brown. - Westport, Conn.: Avi Pub. Co, 1977. - 397 pages : illustrations ; 24 cm.
0870552341
Aquaculture--Economic aspects.
Aquaculture.
