Simple economics and bookkeeping for fish famers/
Williams Colin
Simple economics and bookkeeping for fish famers/ Colin Williams - Italy: FAO, 1992. - vi, 97 p.: ill.; 17 cm.
9251030022
fish farming
SH 329.E55
Simple economics and bookkeeping for fish famers/ Colin Williams - Italy: FAO, 1992. - vi, 97 p.: ill.; 17 cm.
9251030022
fish farming
SH 329.E55