Instituto para la
Investigación Educativa
y el Desarrollo Pedagógico

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