Barkley,Andrew <br/><br/>
Principles of Agricultural Economics 
Andrew Barkley and Paul W.barkley 
 - Third 
 - London  Routledge  2020 
<br/><br/><label>ISBN: </label>9780367248642 
<br/><br/><label>Dewey Class. No.: </label>338.1  / BAR.P