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1989
Por qué el niño tiene dificultad para construir su conocimiento en el eje de las preoperaciones lógico-matemáticas, particularmente en cuanto a la clasificación, en los jardines de niños de la 002 zona de preescolar, ubicados en Torreón, Coah.
Albertina del Río Valdés
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María Asunción Moreno Guerrero
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MATEMATICAS -ESTUDIO Y ENSEÑANZA ...