The technique for appraising certain observable behavior of children in science in elementary schools.
| Tác giả chính: | |
|---|---|
| Định dạng: | Sách |
| Ngôn ngữ: | English |
| Được phát hành: |
New York, New York
Teachers College, Columbia University
1937.
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| Loạt: | Teachers College Columbia University. Contributions to education, no. 728
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