Agricultural economics research 

 - Washington  USDA, Economics Research Service  1949-1987 
 - Trimestral 
<br/><br/>1967 (FN.2) ; 1968 (FN.1) ; 1969 (FN.1) ; 1970-1976 (FN.4) ; 1977-1987. 
<br/><br/><label>ISSN: </label>0002-1423 
<br/><br/><label>Subjects--Index Terms: </label>Agricultura Economia