The Effect of length of school attendance upon mental and educational ages.
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| Main Author: | |
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| Format: | Book |
| Language: | English |
| Published: |
New York
Columbia Univ.
1927
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| Item Description: | DENWORTH,Katharine: -- The Effect of length of school attendance upon -- mental and educational ages.- 1927. -- Diss.New York,Columbia Univ. |
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