TY - BOOK AU - Posamentier, Alfred S. AU - Krulik, Stephen AU - Hauptman, Herbert Aaron TI - Problem-solving strategies for efficient and elegant solutions, grades 6-12 : a resource for the mathematics teacher ET - 2nd ed PB - Corwin Press PY - 2008 EP - xv, 260 p. UR - https://ci.nii.ac.jp/ncid/BA89789123 SN - 9781412959704 SN - 9781412959698 ER -

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