Dangos 1 - 2 canlyniadau o 2 ar gyfer chwilio 'Carlson, Richard O', amser ymholiad: 0.01e Mireinio'r Canlyniadau
  1. 1

    School superintendents: careers and performance gan Carlson, Richard O.

    Cyhoeddwyd 1977
    Llyfr

    School superintendents: careers and performance
  2. 2

    Adoption of educational innovations. gan Carlson, Richard O

    Cyhoeddwyd 1965
    Llyfr

    Adoption of educational innovations.

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