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  5. Schaefer, Gerhard [Other]; Altenbach, Hans-Josef [Other]; Asselborn, Wolfgang [Other]; Berg, Gunnar [Other]; a Campo, Arnold [Other]; Engelhardt, Dietrich von [Other]; Gehlhaar, Karl-Heinz [Other]; Markl, Gregor [Other]; Prenzel, Manfred [Other]; Manitz-Schaefer, Regina [Other]; Sauer, Gerhard [Other]; Törner, Günter [Other]; Langlet, Jürgen [Other]; Thomas, Sabine [Other]

    Allgemeinbildung durch Naturwissenschaften : Denkschrift der GDNÄ-Bildungskommission 2002

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    Köln: Aulis-Verl. Deubner, 2007

  8. Dieter, Miriam [Author] ; Törner, Günter [Contributor]

    Studienabbruch und Studienfachwechsel in der Mathematik: Quantitative Bezifferung und empirische Untersuchung von Bedingungsfaktoren

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    University of Duisburg-Essen: DuEPublico2 (Duisburg Essen Publications online), 2012-06-25

  9. Gondek, Verena [Author] ; Törner, Günter [Contributor]

    Hybrid Flow-Shop Scheduling mit verschiedenen Restriktionen: Heuristische Lösung und LP-basierte untere Schranken ; Hybrid flow-shop scheduling with different constraints: Heuristic solutions and lp-based lower bounds

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    University of Duisburg-Essen: DuEPublico2 (Duisburg Essen Publications online), 2011-05-25

  10. Roesken, Bettina [Author] ; Törner, Günter [Contributor]

    Hidden Dimensions in the Professional Development of Mathematics Teachers - In-Service Education for and with Teachers

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    University of Duisburg-Essen: DuEPublico2 (Duisburg Essen Publications online), 2009-04-24

  11. Kohls, Klaus-Dieter [Author] ; Törner, Günter [Contributor]

    Kompetenzzunahme durch Aufgabenvariationen im Mathematikunterricht einer Gesamtschulklasse mit Fallbeispielen von Schülerinnen und Schülern aus den Jahrgangsstufen 9/10

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    University of Duisburg-Essen: DuEPublico2 (Duisburg Essen Publications online), 2007-03-14

  12. Sieber, Klaus [Author] ; Törner, Günter [Contributor]

    Charakteristiken idealtypischer Bilder von Nachhilfeunterricht in Dependenz schulischen Mathematikunterrichts ; Characteristics of ideal-typical patterns of private lessons depending on mathematics school lessons

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    University of Duisburg-Essen: DuEPublico2 (Duisburg Essen Publications online), 2006-03-02

  13. Rolka, Katrin [Author] ; Törner, Günter [Contributor]

    Eine empirische Studie über Beliefs von Lehrenden an der Schnittstelle Mathematikdidaktik und Kognitionspsychologie ; An empirical study about teacher beliefs at the interface of mathematics education and psychology

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    University of Duisburg-Essen: DuEPublico2 (Duisburg Essen Publications online), 2006-11-30

  14. Woschek, Reinhard [Author] ; Törner, Günter [Contributor]

    TIMSS 2 elaboriert: eine didaktische Analyse von Schülerarbeiten im Ländervergleich Schweiz / Deutschland ; TIMSS 2 elaborated: a didactical analysis of students' works in comparison Switzerland / Germany

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    University of Duisburg-Essen: DuEPublico2 (Duisburg Essen Publications online), 2005-07-18

  18. Brinkmann, Astrid [Author] ; Törner, Günter [Contributor]

    Über Vernetzungen im Mathematikunterricht - eine Untersuchung zu linearen Gleichungssystemen in der Sekundarstufe I ; Connections in Mathematics Education - an Investigation to the Topic of 'Sets of Two Equations in Straight Form' in Secondary Classes

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    University of Duisburg-Essen: DuEPublico2 (Duisburg Essen Publications online), 2002-09-09