Science and Mathematics Education in the General Secondary School in the Soviet Union, Document Series 21 S. I. Demodova V. G. Razumovskii L. A. Tsvetkov A. N. Myaghkova
| Autor: | Whalen, Mary T., Litwiller, Bonnie H. |
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| Zdroj: | The Arithmetic Teacher, 1987 Oct 01. 35(2), 59-59. |
| Databáze: | JSTOR Journals |
| Externí odkaz: |
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