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OCLC: | 20108640 |
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Autor principal: | |
Autores corporativos: | , , |
Idioma: | English |
Publicado em: |
Gainesville,
Florida curriculum laboratory, College of education, University of Florida and State dept. of education
[c1941]
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Assuntos: | |
Formato: | Monograph Note that CRL will digitize material from the collection when copyright allows. |