An item-analysis and validity study of the science education center elementary mathematics tests for grades 1, 2, and 3 [microform].
| Egile nagusia: | |
|---|---|
| Formatua: | Visual Material |
| Hizkuntza: | English |
| Argitaratua: |
Quezon City
Photoduplication Service, University of the Philippines Library
1976.
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| Gaiak: |