Instituto para la
Investigación Educativa
y el Desarrollo Pedagógico

Perhaps you should try some spelling variations:
"history en matematica" » "history en matematicas", "history la matematica", "history el matematico", "history and matematica", "history of matematica", "history a matematica"
"historia en matematico" » "historia el matematico", "historia en matematicas", "historia y matematico", "historia del matematico", "historia de matematico", "historia den matematico", "historia yn matematico", "historia deln matematico"
"historia e matematica" » "historia de matematica", "historia y matematica", "historia de matematicas", "historia del 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 matematica\") OR (((\"historia e matematica\") OR (\"historia en matematico\"))))~".
• Removing quotes may allow a broader search: (( history en matematica ) OR ((( historia e matematica ) OR ( historia en matematico ))))~.
• Adding a wildcard symbol may retrieve word variants: (("history en matematica") OR ((("historia e matematica") OR ("historia en matematico"))))*.