Food and Agriculture Organization of the Uniter Nations <br/><br/>
Nutrition and working efficiency 

 - Rome  Food and Agriculture Organization of the United Nations  1962 
 - 47p.- 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Nutrition
<br/><br/><label>Dewey Class. No.: </label>GL 641.104 FOO