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    Autores Guevara Castillo, Luis
    Publicado 1999-01-01
    Descripción: ... in a 3x3 factorial design. The results show that five years old children used an additive rule...
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    Autores Hewitt Ramírez, Nohelia, Rozo Sánchez, Margarita
    Publicado 1999-07-01
    Descripción: ... handicapped children, 4 to 8 years old, at a preeschool setting. It was a qualitative-etnographic research...
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