The hygiene of the school child
| Egile nagusia: | |
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| Beste egile batzuk: | |
| Formatua: | Liburua |
| Hizkuntza: | English |
| Argitaratua: |
Boston
Houghton Mifflin Company
c1929.
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| Edizioa: | Rev. ed. |
| Saila: | Riverside textbooks in education, ed. by E. P. Cubberley
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| Gaiak: |