Ritchie, Jean A. S. <br/><br/>
Learning better nutrition :  a second study of approaches and techniques. 

 - Rome :  Food and Agriculture Organization of the United Nations,  1967. 
 - FAO nutritional studies no. 20 .
<br/><br/>Bibliography: p. [240]-264. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Nutrition -- Study and teaching.--Nutrition -- Study and teaching.