O'Brien,  G.  <br/><br/>
Agricultural economics / 
by G. O'Brien. 
 - Bogra :  Economic Association,  1966. 
 - 154 p. ;  22 cm. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Agriculture--Economic aspects.
<br/><br/><label>Dewey Class. No.: </label>338.1  / OBA 1966