Search Results - Riani, Mercedes

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    El lenguaje y el pensamiento en el niño : estudio sobre la lógica del niño (I) / by Piaget, Jean, 1896-1980

    Published 1976
    Other Authors: “…Riani, Mercedes…”
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    Génesis de las estructuras lógicas elementales : clasificaciones y seriaciones / by Piaget, Jean, 1896-1980

    Published 1976
    Other Authors: “…Riani, Mercedes…”
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