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Valid issues but limited scope : a response to Kitchen and Berk's Research Commentary on Educational Technology /

By Clements, Douglas H. .
Reston, Virginia ; National Council of Teachers of Mathematics , 2017 .
Volume 50, pages 474-482 ; , Journal for Research in Mathematics Education, vol. 48 no. 5, pages 474-482, November 2017. 24 cm..

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Critiques of common core in early math : a research-based response /

By Clements, Douglas H. .
Reston, Virginia ; National Council of Teachers of Mathematics, 2019 .
Volume 5, pages 11-22.

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Critiques of the common core in early Math : a research-based response /

By Clements, Douglas H..
Reston, Virginia ; National Council of Teachers of Mathematics , 2019 .
Volume 50, pages 11-12 : , Journal for Research in Mathematics Education, vol. 50, no. 1, pages 11-12, January 2019. 24 cm..

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