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  1. 1

    Evaluating educational performance a sourcebook of methods, instruments, and examples door Walberg, Herbert J.

    Gepubliceerd in 1974
    Boek

    Evaluating educational performance a sourcebook of methods, instruments, and examples
  2. 2

    Evaluating educational performance a sourcebook of methods, instruments, and examples. door Walberg, Herbert J. 1937-

    Gepubliceerd in 1974
    Boek

    Evaluating educational performance a sourcebook of methods, instruments, and examples.
  3. 3

    Evaluating educational performance a sourcebook of methods, instruments, and examples. door Walberg, Herbert J. 1937-

    Gepubliceerd in 1974
    Boek

    Evaluating educational performance a sourcebook of methods, instruments, and examples.

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