1.

雑誌
雑誌
1. Journal for research in mathematics education
National Council of Teachers of Mathematics
出版情報: Reston, Va. : National Council of Teachers of Mathematics
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2.

雑誌
雑誌
2. Mathematics teacher
National Council of Teachers of Mathematics ; Association of Teachers of Mathematics in the Middle States and Maryland ; Association of Mathematical Teachers in New England
出版情報: Syracuse, N.Y. : National Council of Teachers of Mathematics
巻次(年次): Vol. 1 (Sept. 1908)-
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