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  1. 1

    Distance education in Asia and the Pacific proceedings of the Regional Seminar on Distance Education, 26 November-3 December 1986, Bangkok, Thailand.

    יצא לאור 1987
    ספר

    Distance education in Asia and the Pacific proceedings of the Regional Seminar on Distance Education, 26 November-3 December 1986, Bangkok, Thailand.
  2. 2

    The Economics of new educational media.

    יצא לאור 1977
    ספר

    The Economics of new educational media.

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