Beliefs: A hidden variable in mathematics education? [Mathematics education library, v. 31]

Beliefs: A hidden variable in mathematics education? [Mathematics education library, v. 31]
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Από: Leder, Gilah C.; Pehkonen, Erkki.; T?rner, G?nter – Εκδότης: Kluwer Academic Publishers – Έτος δημοσίευσης: 2002