Instituto para la
Investigación Educativa
y el Desarrollo Pedagógico

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