Friedrich, K. H.,  <br/><br/>
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 .
<br/><br/><label>Subjects--Topical Terms: </label><br/>Farm management --Data processing
<br/><br/><label>LC Class. No.: </label>S565.7 F75