Instituto para la
Investigación Educativa
y el Desarrollo Pedagógico

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