Authors and Corporations: | , |
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published: | 1977 |
Part of: |
, Journal of educational psychology, 69/1977/5, S. 612-619.
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Media Type: | Article, E-Article |
Language: | English |
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Part of: |
, Journal of educational psychology, 69/1977/5, S. 612-619.
|
Subjects: | |
Collection: | IZI-Datenbank |