Winkelman, Don <br/><br/>
The Traditional farmer:   maximization and mechanization / 
Don Winkelman 
 - Paris  Economic co-operation and development  1972 
 - v, 94 p. 
<br/><br/><label>ISBN: </label>112866 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Agriculture-economic
<br/><br/><label>Dewey Class. No.: </label>338.1  / WIN