Dangos 1 - 5 canlyniadau o 5 ar gyfer chwilio '', amser ymholiad: 0.01e Mireinio'r Canlyniadau
  1. 1

    Reducing repetition issues and strategies gan Eisemon, Thomas

    Cyhoeddwyd 1997
    Llyfr

    Reducing repetition issues and strategies
  2. 2

    How children fail gan Holt, John Calwell 1923-

    Cyhoeddwyd 1995
    Llyfr

    How children fail
  3. 3

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

    Cyhoeddwyd 1993
    Llyfr

    The path to dropping out evidence for intervention
  4. 4

    Flunking grades research and policies on retention

    Cyhoeddwyd 1989
    Llyfr

    Flunking grades research and policies on retention
  5. 5

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

    Cyhoeddwyd 1979
    Llyfr

    Educational and economic effects of promotion and repetition practices.

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