Instituto para la
Investigación Educativa
y el Desarrollo Pedagógico

Perhaps you should try some spelling variations:
"historias de matematicas" » "historias las matematicas", "historias la matematicas", "historias en matematicass", "historias y matematicass"
"historia del matematica" » "historia el matematico", "historia e matematica", "historia en matematica", "historia y matematica"
"historia de matematica" » "historia la matematica", "historia en matematicas", "historia y matematicas"

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

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