Simple economics and bookkeeping for fish farmers
Williams, C. (1992). Simple economics and bookkeeping for fish farmers. FAO Training Series, 19. FAO: Rome. ISBN 92-5-103002-2. 96 pp.
Deel van: Coche, A.G. FAO Training Series. Food and Agriculture Organization of the United Nations: Rome. ISSN 0259-2533, meer
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