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Mathematical Problem Posing: Conceptual Considerations and Empirical Investigations for Understanding the Process of Problem Posing (Kölner Beiträge zur Didaktik der Mathematik)
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Mathematical Problem Posing: Conceptual Considerations and Empirical Investigations for Understanding the Process of Problem Posing (Kölner Beiträge zur Didaktik der Mathematik)

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Mathematical Problem Posing: Conceptual Considerations and Empirical Investigations for Understanding the Process of Problem Posing (Kölner Beiträge zur Didaktik der Mathematik)

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