Instituto para la
Investigación Educativa
y el Desarrollo Pedagógico

Perhaps you should try some spelling variations:
"history de matematicas" » "history las matematicas", "historia de matematicas", "history of matematicas", "history a matematicas"
"history en matematicas" » "history las matematicas", "history la matematicas", "history el matematicos", "history de matematicas", "historia en matematicas", "history and matematicas", "history of matematicas"
"history en matematica" » "history la matematica", "history el matematico", "history de matematica", "historia en matematica", "history and matematica", "history of 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 de matematicas\") OR (((\"history en matematica\") OR (\"history en matematicas\"))))~".
• Removing quotes may allow a broader search: (( history de matematicas ) OR ((( history en matematica ) OR ( history en matematicas ))))~.
• Adding a wildcard symbol may retrieve word variants: (("history de matematicas") OR ((("history en matematica") OR ("history en matematicas"))))*.