In-service education of teachers ... /
Corporate Author: | |
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Other Authors: | , , , |
Format: | Book |
Language: | English |
Published: |
[Philadelphia,
Dunlap printing co.,
1939]
[Philadelphia] : [Dunlap printing Co.], [1939] |
Series: | Bulletin (Pennsylvania. Department of Public Instruction : 1938) ;
155 Bulletin (Pennsylvania. Department of Public Instruction) ; no. 155 |
Subjects: |