Should Textbooks Challenge Students? The Case for Easier or Harder Books Jeanne S. Chall Susan S. Conard Susan Harris-Sharples
| Autor: | Squire, James R. |
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| Zdroj: | American Journal of Education, 1993 May 01. 101(3), 328-329. |
| Databáze: | JSTOR Journals |
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