Dangos 1 - 3 canlyniadau o 3, amser ymholiad: 0.00e Mireinio'r Canlyniadau
  1. 1

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

    Cyhoeddwyd 1974
    Llyfr

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

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

    Cyhoeddwyd 1974
    Llyfr

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

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

    Cyhoeddwyd 1974
    Llyfr

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

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