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", "historia del matematicas"
"history y matematicas" » "history en matematicas", "history las matematicas", "historia y matematicas", "history of matematicas"
"history a matematicas" » "history la matematicas", "history 1 matematicas", "history 2 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 y matematicas\") OR (((\"history a matematicas\") OR (\"history de matematicas\"))))~".
• Removing quotes may allow a broader search: (( history y matematicas ) OR ((( history a matematicas ) OR ( history de matematicas ))))~.
• Adding a wildcard symbol may retrieve word variants: (("history y matematicas") OR ((("history a matematicas") OR ("history de matematicas"))))*.