1.

図書

図書
Daniel J. Brahier, William R. Speer
出版情報: Reston, Va. : National Council of Teachers of Mathematics, c2011
シリーズ名: Yearbook / National Council of Teachers of Mathematics ; 73th
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2.

図書

図書
Jennifer M. Bay-Williams, William R. Speer
出版情報: Reston, Va. : National Council of Teachers of Mathematics, c2012
シリーズ名: Yearbook / National Council of Teachers of Mathematics ; 74th
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3.

図書

図書
[edited by] Francis (Skip) Fennell, William R. Speer
出版情報: Reston, Va. : National Council of Teachers of Mathematics, c2013
シリーズ名: Yearbook / National Council of Teachers of Mathematics ; 75th
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