The techniques of educational research.
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| Main Author: | |
|---|---|
| Other Authors: | |
| Format: | Book |
| Language: | English |
| Published: |
Urbana :
University of Illinois,
1928.
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| Series: | Bulletin (University of Illinois (Urbana-Champaign campus). Bureau of Educational Research) ;
no. 38. |
| Subjects: |