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  1. 1
    由 Maier, Henry William
    出版 1987
    圖書
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    Developmental group care of children and youth : concepts and practice /
  2. 2
    由 Maier, Henry William
    出版 1969
    圖書
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    Three theories of child development : the contributions of Erik H. Erikson, Jean Piaget, and Robert R. Sears, and their applications /

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