Health education a guide for teachers and a text for teacher education
| Autor corporatiu: | |
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| Altres autors: | , |
| Format: | Llibre |
| Idioma: | English |
| Publicat: |
Washington
National Education Assn. of the United States
1948.
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| Edició: | 4th ed., completely rewritten. |
| Matèries: |