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