Agricultural education : some problems in state supervision: state supervision - state supervision and teacher training - professional improvement of teachers in service /
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| Typ dokumentu: | Kniha |
| Jazyk: |
angličtina |
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Washington :
Government Printing Office,
1918.
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| Edice: |
Bulletin [of Federal Board for Vocational Education] ;
No. 25 (December, 1918) Agricultural series ; No. 4 |
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