1.

図書

図書
William J. Masalski, sixty-seventh yearbook editor ; Portia C. Elliott, general yearbook editor
出版情報: Reston, VA : National Council of Teachers of Mathematics, c2005
シリーズ名: Yearbook / National Council of Teachers of Mathematics ; 67th
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2.

図書

図書
Timothy V. Craine, seventy-first yearbook editor ; Rheta Rubenstein, general yearbook editor
出版情報: Reston, Va. : National Council of Teachers of Mathematics, c2009
シリーズ名: Yearbook / National Council of Teachers of Mathematics ; 71th
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