Dangos 1 - 1 canlyniadau o 1 ar gyfer chwilio 'Parsons, Anne', amser ymholiad: 0.01e Mireinio'r Canlyniadau
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    The growth of logical thinking from childhood to adolescence an essay on the construction of formal operational structures gan Inhelder, Barbel, Piaget, Jean 1896-

    Cyhoeddwyd 1958
    Llyfr

    The growth of logical thinking from childhood to adolescence an essay on the construction of formal operational structures

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