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| 100 | _aRuano Ruano, Yolanda | ||
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| 245 | _aAportaciones de Piaget a la educación | ||
| 300 | _a13-16 | ||
| 362 | _a1995 No. 12, oct.-dic. | ||
| 700 | _aRuano Ruano, Amparo, coaut. | ||
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