foster  <br/><br/>
elements of Agricultural economics  - 
foster ,G.W 
 - 1950 
 - new York   prentice -hall-inc  1950 
 - 441  - 
<br/><br/> - 
<br/><br/><label>ISBN: </label>
<br/><br/><label>ISSN: </label>
<br/><br/><label>Dewey Class. No.: </label>38.1  / FOR