A digest of investigations in the teaching of science ... /
| Main Author: | |
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| Format: | Book |
| Language: | English |
| Published: |
Philadelphia :
P. Blakiston's Sons & Co.,
[©1926-31]
Philadelphia : P. Blakiston's Sons, [c1926-31] Philadelphia, P. Blakiston's Sons & Co [c1926-31] |
| Series: | Text books in science education
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| Subjects: |