Competence, persistence and motivation: Relationships in structured and unstructured assessments of high social risk 13 month olos
| Autor: | Spieker, Susan J., Morisset, Colleen E. |
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| Zdroj: | In Infant Behavior and Development 1986 9 Supplement 1:356-356 |
| Databáze: | ScienceDirect |
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