Dangos 1 - 2 canlyniadau o 2 ar gyfer chwilio 'Travers, Robert Morris Williams 1913-', amser ymholiad: 0.01e Mireinio'r Canlyniadau
  1. 1

    Educational psychology; a scientific foundation for educational practice. gan Travers, Robert Morris Williams 1913-

    Cyhoeddwyd 1973
    Llyfr

    Educational psychology; a scientific foundation for educational practice.
  2. 2

    Educational measurement. gan Travers, Robert Morris Williams 1913-

    Cyhoeddwyd 1955
    Llyfr

    Educational measurement.

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