Search results for: De Jong, Jean M.

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  1. 1

    Frontiers of knowledge in mental retardation : fifth Congress of the International Association for the Scientific Study of Mental Deficiency (IASSMD)

    Published: University Park Press, 1981
    Other Authors:
    Physical Description: 2 volumes : illustrations ; 24 cm
    Book
  2. 2

    Science and service in mental retardation : proceedings of the Seventh Congress of the International Association for the Scientific Study of Mental Deficiency (IASSMD)

    Published: Methuen, 1986
    Other Authors:
    Physical Description: xix, 475 pages : illustrations ; 25 cm
    Book
  3. 3

    Perspectives and progress in mental retardation

    Published: University Park Press, 1984
    Other Authors:
    Physical Description: 2 volumes : illustrations ; 24 cm
    Book