Instituto para la
Investigación Educativa
y el Desarrollo Pedagógico

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• Performing a fuzzy search may retrieve terms with similar spellings: (((("historia de matematicas") OR ("historia en matematicas"))) OR ("historia y matematico"))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((((\"historia de matematicas\") OR (\"historia en matematicas\"))) OR (\"historia y matematico\"))".
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