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[Mathematics Education Library] Beliefs: A Hidden Variable in Mathematics Education? Volume 31 || Mathematics Teacher Change and DevelopmentsLeder, Gilah C.; Pehkonen, Erkki; Törner, Günter · 2003
[Mathematics Education Library] Beliefs: A Hidden Variable in Mathematics Education? Volume 31 || Affect, Meta-Affect, and Mathematical Belief StructuresLeder, Gilah C.; Pehkonen, Erkki; Törner, Günter · 2003
Beliefs: A Hidden Variable in Mathematics Education? ||Leder, Gilah C.; Pehkonen, Erkki; Törner, Günter · 2002
Beliefs: A Hidden Variable in Mathematics Education? || “The Answer is Really 4.5”: Beliefs About Word ProblemsLeder, Gilah C.; Pehkonen, Erkki; Törner, Günter · 2002