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  1. 1

    Quality in instructional television / Edited by Wilbur Schramm. Contributors: C. Ray Carpenter [and others].

    Publicat 1972
    Llibre

    Quality in instructional television / Edited by Wilbur Schramm. Contributors: C. Ray Carpenter [and others].
  2. 2

    Abstracts of seminar discussions on quality factors in instructional materials per Carpenter, C. Ray (Clarence Ray) 1905-

    Publicat 1968
    Llibre

    Abstracts of seminar discussions on quality factors in instructional materials

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