NATIONAL BUREAU ECONOMIC RESEARCH INC. <br/><br/>
NEW DIRECTIONS IN ECONOMIC RESEARCH 

 - 0 
 - U.S.A.  NATIONAL BUREAU ECONOMIC  1971 
 - 177 pag.  26 cm 
 - 0  0 .
<br/><br/>INGLES-LIBRO/INVESTIGACION-ECONOMICA 
<br/><br/><label>Subjects--Topical Terms: </label><br/>LINGUISTICA Y FILOSOFIA
<br/><br/><label>Dewey Class. No.: </label>428  / N27