Improving test items
| Egile nagusia: | |
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| Formatua: | Liburua |
| Hizkuntza: | English |
| Argitaratua: |
Manila
Learning Resources Unit, National Teacher Training Center for the Health Professions, University of the Philippines Manila
1993, ©1990.
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| Edizioa: | Second revision. |
| Gaiak: |