Concepts of productivity measurement in agriculture on a national scale. 

 - Paris :  OECD ,  1961 
 - 79p. :  ill. ;  22 cm.  
<br/><br/>Includes bibliographical references. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Agriculture<br/>Organization
<br/><br/><label>Dewey Class. No.: </label>631  / OECD