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  1. 1

    The teacher's tools an instructional aid for workers' educators and trade unionists מאת Kassler, Reinhard

    יצא לאור 1980
    ספר

    The teacher's tools an instructional aid for workers' educators and trade unionists
  2. 2

    Creating instructional materials מאת Bullough, Robert V.

    יצא לאור 1978
    ספר

    Creating instructional materials

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