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  1. 1

    Problems in measuring change proceedings of a conference sponsored by the Committee on Personality Development in Youth of the Social Science Research Council, 1962 door Harris, Chester William 1910-

    Gepubliceerd in 1962
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    Problems in measuring change proceedings of a conference sponsored by the Committee on Personality Development in Youth of the Social Science Research Council, 1962
  2. 2

    Encyclopedia of educational research a project of the American Educational Research Association.

    Gepubliceerd in 1960
    Boek

    Encyclopedia of educational research a project of the American Educational Research Association.

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