Nutrition and working efficiency. 

 - Rome :      UN ,  1962 
 - vi, 47p. :  ill, ;  20 cm. 
 - Freedom from hunger campaign basic study .
<br/><br/>Includes bibliographical references and index. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Nutrition<br/>Performance
<br/><br/><label>Dewey Class. No.: </label>612.3  / FAO-9