Instituto para la
Investigación Educativa
y el Desarrollo Pedagógico

Perhaps you should try some spelling variations:
"history en matematicas" » "history de matematicas", "history las matematicas", "historia en matematicas", "history and matematicas", "history of matematicas"
"historia la matematica" » "historia las matematicas", "historia de matematicas", "historia y matematicas", "historia de matematica", "historia en matematica", "historia e matematica"
"historia y matematica" » "historia y matematicas", "historia y matematico", "historia de matematica"

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

• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"history en matematicas\") OR (((\"historia y matematica\") OR (\"historia la matematica\"))))~".
• Removing quotes may allow a broader search: (( history en matematicas ) OR ((( historia y matematica ) OR ( historia la matematica ))))~.
• Adding a wildcard symbol may retrieve word variants: (("history en matematicas") OR ((("historia y matematica") OR ("historia la matematica"))))*.