Showing 1 - 3 results of 3 for search 'Olaf Köller', query time: 0.01s Refine Results
  1. 1
    PISA 2018 : Grundbildung im internationalen Vergleich
    by Olaf Köller
    Published 2019
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  2. 2
    PISA 2015
    by Anja Schiepe-Tiska
    Published 2016
    Other Authors: “…Olaf Köller…”
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  3. 3
    TIMSS 2019. Mathematische und naturwissenschaftliche Kompetenzen von Grundschulkindern in Deutschland im internationalen Vergleich
    by Daniel Kasper
    Published 2020
    Other Authors: “…Olaf Köller…”
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