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  1. 1

    Reducing repetition issues and strategies od Eisemon, Thomas

    Wydane 1997
    Książka

    Reducing repetition issues and strategies
  2. 2

    How children fail od Holt, John Calwell 1923-

    Wydane 1995
    Książka

    How children fail
  3. 3

    The path to dropping out evidence for intervention od Roderick, Melissa R. 1961-

    Wydane 1993
    Książka

    The path to dropping out evidence for intervention
  4. 4

    Flunking grades research and policies on retention

    Wydane 1989
    Książka

    Flunking grades research and policies on retention
  5. 5

    Educational and economic effects of promotion and repetition practices. od Haddad, Wadi D.

    Wydane 1979
    Książka

    Educational and economic effects of promotion and repetition practices.

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