Instituto para la
Investigación Educativa
y el Desarrollo Pedagógico

Perhaps you should try some spelling variations:
"historias de mathematica" » "historias de matematica", "historias de matematicas", "historias e matematica", "historia de mathematica", "historia del mathematica"
"historia y matematica" » "historia y matematicas", "historia e matematica", "historia la matematica", "historia de matematica"
"historia las matematicas" » "historia la matematicas", "historia da matematicas", "historia es matematicas"

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: (((("historias de mathematica") OR ("historia y matematica"))) OR ("historia las matematicas"))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((((\"historias de mathematica\") OR (\"historia y matematica\"))) OR (\"historia las matematicas\"))".
• Removing quotes may allow a broader search: (((( historias de mathematica ) OR ( historia y matematica ))) OR ( historia las matematicas )).
• Adding a wildcard symbol may retrieve word variants: (((("historias de mathematica") OR ("historia y matematica"))) OR ("historia las matematicas"))*.