The extent to which pupils manipulate materials and attainment of process skills in elementary school science.
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| Main Author: | |
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| Format: | Thesis Book |
| Language: | English |
| Published: |
1971.
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| Subjects: |
| Item Description: | Vita. |
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| Physical Description: | vi, 90 l. |
| Bibliography: | Bibliography: leaves 71-76. |