Instituto para la
Investigación Educativa
y el Desarrollo Pedagógico

Perhaps you should try some spelling variations:
"history y matematicass" » "history y matematicas", "history y matematica", "history 1 matematicas", "history a matematicass", "historia y matematicass", "history of matematicass"
"history la matematica" » "history de matematicas", "history en matematicas", "history y matematicas", "history a matematica", "historia la matematica", "history of matematica"
"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.

• Performing a fuzzy search may retrieve terms with similar spellings: (((("history la matematica") OR ("history las matematicas"))) OR ("history y matematicass"))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((((\"history la matematica\") OR (\"history las matematicas\"))) OR (\"history y matematicass\"))".
• Removing quotes may allow a broader search: (((( history la matematica ) OR ( history las matematicas ))) OR ( history y matematicass )).
• Adding a wildcard symbol may retrieve word variants: (((("history la matematica") OR ("history las matematicas"))) OR ("history y matematicass"))*.