Instituto para la
Investigación Educativa
y el Desarrollo Pedagógico

Perhaps you should try some spelling variations:
"historia oral matematica" » "historia rural matematicas", "historia la matematica", "historia da matematica", "historia del matematica"
"historia en matematicas" » "historia de matematicas", "historia las matematicas", "historia del matematicas", "historias de matematicas"
"historia y matematicass" » "historia y matematicas", "historia y matematica", "historia 1 matematicas", "historia de matematicass"

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