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1by Helmke, AndreasSubjects: “...Mathematikunterricht...”
Published 2016
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Moving Image (Video) -
2by Klieme, Eckhard, Grünkorn, Juliane, Praetorius, Anna-Katharina, Schreyer, Patrick, Herbert, Benjamin, Käfer, JuliaSubjects: “...Mathematikunterricht...”
Published 2019
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Moving Image (Video)