Testing problems in perspective twenty-fifth anniversary volume of topical readings from the Invitational Conference on Testing Problems
| Erakunde egilea: | |
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| Beste egile batzuk: | |
| Formatua: | Liburua |
| Hizkuntza: | English |
| Argitaratua: |
Washington, D.C.
American Council on Education
[1966]
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| Gaiak: |