By Sztajn Paola   in Journal of Mathematics Teacher Education

ISSN:1386-4416|9|4|401-410

Springer Publishing Company ‎(2006)‎

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ISSN:1863-9690|46|2|201-212

Springer Publishing Company ‎(2014)‎

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By Wilson P.   Sztajn Paola   Edgington Cyndi   Confrey Jere   in Journal of Mathematics Teacher Education

ISSN:1386-4416|17|2|149-175

Springer Publishing Company ‎(2014)‎

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