Agricultural economics research. 

 - Washington, D.C. :    U.S. Department of Agriculture,    1966- 
 - v. ;    26 cm. 
 - Quarterly,    1966- 
<br/><br/><label>Subjects--Topical Terms: </label><br/> Agriculture -- Research.
<br/><br/><label>Dewey Class. No.: </label>PER 338. 105 A 57