Dangos 1 - 2 canlyniadau o 2 ar gyfer chwilio 'Colvin, Stephen S. (Stephen Sheldon) 1869-1923', amser ymholiad: 0.01e Mireinio'r Canlyniadau
  1. 1

    Intelligence tests and their use Pt. I. the nature, history, and general principles of intelligence testing. Pt. II. The administrative use of intelligence tests.

    Cyhoeddwyd 1923
    Llyfr

    Intelligence tests and their use Pt. I. the nature, history, and general principles of intelligence testing. Pt. II. The administrative use of intelligence tests.
  2. 2

    The learning process gan Colvin, Stephen S. (Stephen Sheldon) 1869-1923

    Cyhoeddwyd 1911
    Llyfr

    The learning process

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