United State Department of Agricultural, Washington <br/><br/>
Journal of Agricultural Economics Research. Vol 39 No 2(1987) - 45(1994) 

 - Washington  United State Department of Agricultural, Washington  1987 
 - 367p 
<br/><br/>United State Department of Agricultural, Washington: Journal of Agricultural Economics Research. Vol 39 No 2(1987) - 45(1994).  Washington.  United State Department of Agricultural, Washington, 1987.--(338.105UNI)   
<br/><br/><br/>ENGLISH 
<br/><br/><label>Dewey Class. No.: </label>338.105  / AER