WHAT IS GOING ON IN YOUR SCHOOL?
| Autor: | Brown, J. A., Karnes, H. T., Allen, Frank B., Butler, Charles H., Sumrall, Margaret, Wilson, Hortense, Mock, Gordon |
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| Zdroj: | The Mathematics Teacher, 1952 Dec 01. 45(8), 582-593. |
| Databáze: | JSTOR Journals |
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