Teaching nutrition in biology classes. An experimental investigation og High school biology pupils in their study of the relation of food to physical wellbeing
Autor Principal: | |
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Formato: | Libro |
Datos de publicación: |
New York :
Columbia University,
1939.
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Acceso en línea: | Consultar en el Cátalogo |
Descripción Física: | 117 p. ; 21 cm. |