Instituto para la
Investigación Educativa
y el Desarrollo Pedagógico

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

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 matematicas\") OR (\"history a matematicas\"))) OR (\"historia de matematica\"))~".
• Removing quotes may allow a broader search: (((( history de matematicas ) OR ( history a matematicas ))) OR ( historia de matematica ))~.
• Adding a wildcard symbol may retrieve word variants: (((("history de matematicas") OR ("history a matematicas"))) OR ("historia de matematica"))*.