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  1. 1

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

    יצא לאור 1974
    ספר

    The overhead projector in the mathematics classroom.
  2. 2

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

    יצא לאור 1973
    ספר

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

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

    יצא לאור 1966
    ספר

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

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

    יצא לאור 1965
    ספר

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

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