Ericson, R. C. (1979). measuring student growth: Tecniques and procedurs for occupational education. Allyn and Bacon.
Παραπομπή σε μορφή Chicago (17η εκδ.)Ericson, Richard C. Measuring Student Growth: Tecniques and Procedurs for Occupational Education. Allyn and Bacon, 1979.
Παραπομπή σε μορφή MLA (8th εκδ.)Ericson, Richard C. Measuring Student Growth: Tecniques and Procedurs for Occupational Education. Allyn and Bacon, 1979.
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