Farm management data collection and analysis : an electronic data processing, storage and retrieval system /
Farm management data collection and analysis : an electronic data processing, storage and retrieval system / K. H. Friedrich - Rome : Food and Agriculture Organization of the United Nations, 1977 - 160 pages : illustrations ; 28 cm - FAO Agricultural Serrvices Bulletin ; 34 . - FAO Agricultural Serrvices Bulletin ; 34 .
Farm management --Data processing
S565.7 F75