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 la matematicas" » "history las matematicas", "history la matematica", "history y matematicas", "history a matematicas", "historia la matematicas", "history of matematicas"
"history en matematicas" » "history las matematicas", "historia en matematicas", "history and matematicas", "history of matematicas"

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 la matematicas\") OR (\"history en matematicas\"))))~".
• Removing quotes may allow a broader search: (( history de matematicas ) OR ((( history la matematicas ) OR ( history en matematicas ))))~.
• Adding a wildcard symbol may retrieve word variants: (("history de matematicas") OR ((("history la matematicas") OR ("history en matematicas"))))*.