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  1. 1

    The overhead projector in the mathematics classroom. af Lenchner, George

    Udgivet 1974
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    The overhead projector in the mathematics classroom.
  2. 2

    The use of an improvised overhead projector to save on chemicals and time af Tan, Merle (Custodio)

    Udgivet 1973
    Bog

    The use of an improvised overhead projector to save on chemicals and time
  3. 3

    How to use the overhead projector in mathematics education af Krulik, Stephen

    Udgivet 1966
    Bog

    How to use the overhead projector in mathematics education
  4. 4

    The teacher and overhead projection a treasury of ideas, uses and techniques af Schultz, Morton J.

    Udgivet 1965
    Bog

    The teacher and overhead projection a treasury of ideas, uses and techniques

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