The hygiene of the school child
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| Formato: | Libro | 
| Lenguaje: | English | 
| Publicado: | Boston
          Houghton Mifflin Company
    
        c1929. | 
| Edición: | Rev. ed. | 
| Colección: | Riverside textbooks in education, ed. by E. P. Cubberley | 
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