Report 1964-1967 . 

 - New Haven :  EGC ,  1967 
 - 67p. ;  22 cm. 
 -  1964-67, 1967-70 .
<br/><br/>Includes index. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Economic research--United States
<br/><br/><label>Dewey Class. No.: </label>330.07   / USYU