Black, John Donald <br/><br/>
Introduction to economics for agriculture 

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 - Macmillan Company, New York  1953 
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 - .
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<br/><br/><label>ISBN: </label>  
<br/><br/><label>Subjects--Topical Terms: </label><br/>Agricultural economics
<br/><br/><label>Dewey Class. No.: </label>338.1  BLA-I