An item-analysis and validity study of the science education center elementary mathematics tests for grades 1, 2, and 3
| Κύριος συγγραφέας: | |
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| Μορφή: | Visual Material |
| Γλώσσα: | English |
| Έκδοση: |
Quezon City
University of the Philippines Library
1976.
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| Θέματα: |